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Apache Software Foundation Projects

Apache is a open source software development community. There are lots of software projects that are currently continuing to develop.


This is simple list of projects currently ongoing.

Apache .NET Ant Library
This is a library of Ant tasks that help developing .NET software. It includes the "old" .NET tasks like a C# compiler task but also comes with support for NUnit testing or running the popular NAnt or MSBuild build tools.

Categories: build-management

Languages: Java
PMC: Apache Ant

The goal of the Apache Abdera project is to build a functionally-complete, high-performance implementation of the IETF Atom Syndication Format (RFC 4287) and Atom Publishing Protocol (RFC 5023) specifications.

Categories: xml

Languages: Java

The Apache Accumulo sorted, distributed key/value store is based on Google's BigTable design. It is built on top of Apache Hadoop, Zookeeper, and Thrift. It features a few novel improvements on the BigTable design in the form of cell-level access labels and a server-side programming mechanism that can modify key/value pairs at various points in the data management process.

Categories: database

Languages: Java

ActiveMQ is a fast and powerful Message Broker which supports many Cross Language Clients and Protocols and many advanced features while fully supporting JMS 1.1 and J2EE 1.4.


Languages: JavaCC++RubyPerlPythonPHPC#

Anakia
Anakia is an XML transformation tool that uses JDOM and Velocity to transform XML documents into the format of your choice. It provides an alternative to using Ant's <style> task and XSL to process XML files.

Categories: library

Languages: Java

Apache Ant is a Java-based build tool.

Categories: build-management

Languages: Java

PMC: Apache Ant
The Ant Library provides Ant tasks for testing Ant task, it can also be used to drive functional and integration tests of arbitrary applications with Ant.

Categories: build-managementtesting

Languages: Java

PMC: Apache Ant
The Aries project is delivering a set of pluggable Java components enabling an enterprise OSGi application programming model. This includes implementations and extensions of application-focused specifications defined by the OSGi Alliance Enterprise Expert Group (EEG) and an assembly format for multi-bundle applications, for deployment to a variety of OSGi based runtimes.

Categories: library

Languages: Java

Apache Axiom is a StAX-based, XML Infoset compliant object model which supports on-demand building of the object tree. It supports a novel "pull-through" model which allows one to turn off the tree building and directly access the underlying pull event stream. It also has built in support for XML Optimized Packaging (XOP) and MTOM, the combination of which allows XML to carry binary data efficiently and in a transparent manner. The combination of these is an easy to use API with a very high performant architecture!

Categories: libraryxml

Languages: Java

Apache Axis2
Apache Axis2 is a toolkit for creating and using Web Services, including SOAP, MTOM, XML/HTTP and advanced WS-* standards such as WSRM and WSSecurity. Axis2 includes a very fast runtime engine, together with tooling support for WSDL and WS-Policy, and plugin support for WS-Addressing, WS-ReliableMessaging, WS-Security, WS-Eventing, WS-Transactions, WS-Trust and WS-SecureConversation. Axis2 runs either standalone or hosted in Tomcat or other servlet containers.

Categories: xmlhttpnetwork-servernetwork-clientLanguages: JavaCPMC: Apache Axis
Apache Batik
Batik is a Java-based toolkit for applications or applets to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as display, generation and manipulation.

Categories: xmlgraphics

Languages: SVG

Apache Bean Validation (incubating)
The goal of the Bean Validation project is to deliver an implementation of the Bean Validation Specfication (JSR303), which is TCK compliant and works on Java SE 5 or later. The initial codebase for the project was donated to the ASF by a SGA from Agimatec GmbH and uses the ASL 2.0 license. The project is currently undergoing incubation in the Apache Incubator.

Categories: javaeelibrary

Languages: Java

Apache Beehive
Our goal is to make J2EE programming easier by building a simple object model on J2EE and Struts. Using Java 5 annotations, Beehive reduces the coding necessary for J2EE. The initial Beehive project has three pieces. NetUI: An annotation-driven web application programming framework that is built atop Struts. NetUI centralizes navigation logic, state, metadata, and exception handling in a single encapsulated and reusable Page Flow Controller class. In addition, NetUI provides a set of JSP tags for rendering HTML / XHTML and higher-level UI constructs such as data grids and trees and has first-class integration with JavaServer Faces and Struts. Controls: A lightweight, metadata-driven component framework that reduces the complexity of being a client of enterprise resources. Controls provide a unified client abstraction that can be implemented to access a diverse set of enterprise resources using a single configuration model. Web Service Metadata (WSM): An implementation of JSR 181 which standardizes a simplified, annotation-driven model for building Java web services. In addition, Beehive includes a set of system controls that are abstractions for low-level J2EE resource APIs such as EJB, JMS, JDBC, and web services.

Categories: web-frameworkretired

Languages: Java

Apache Camel
Apache Camel is a powerful open source integration framework based on known Enterprise Integration Patterns. Rules for Camel's routing and mediation engine can be defined in either a Java based DSL, XML or using DSLs for dynamic languages such as Groovy or Scala.


Languages: JavaXMLPythonGroovyJavaScriptRubySQLScalaPHP

Apache Cassandra
Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make Apache Cassandra the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class. Cassandra is in use at Netflix, Twitter, Urban Airship, Constant Contact, Reddit, Cisco, OpenX, Digg, CloudKick, Ooyala, and more companies that have large, active data sets. Cassandra provides full Hadoop integration, including with Pig and Hive.

Categories: database

Languages: Java

Apache Cayenne
Cayenne is a powerful, full-featured, opensource framework created for developers working with relational databases. it seamlessly maps any relational database to Java objects, reducing development time and adding considerable functionality to any application which requires a database. Developers using Cayenne will be able to concentrate on the core business requirements and the data model instead of the SQL details. The application can then be easily moved to any JDBC-capable database. In addition to management of persistent Java objects mapped to relational databases, Cayenne provides a plethora of features including single method call queries and updates (including atomic updates of all modified objects), seamless integration of multiple databases into a single virtual data source, three tier persistence with caching on the remote client, paging of results, record locking, and many more features. JPA compliance is in progress.
Apache Chainsaw
Apache Chainsaw is a GUI log viewer.

Categories: network-client

Languages: Java

Apache Chemistry
Apache Chemistry provides open source implementations of the Content Management Interoperability Services (CMIS) specification. Libraries are available for Java, Python, PHP and .NET.

Categories: library

Languages: JavaPythonPHPC#

Apache Click
Apache Click is a modern Java web application framework, providing a natural rich client style programming model. Click provides a page and component oriented design with a event based programming model. Leveraging a stateless architecture Click encourages loosely coupled pages for easier maintenance. Click is designed to be very easy to learn and use, with developers getting up and running within a day. Support is provided for Velocity, JSP or FreeMarker page rendering. Click also provides exceptional performance for high volume web sites.


Languages: Java

Apache Cocoon
Apache Cocoon is a web development framework built around the concepts of separation of concerns (making sure people can interact and collaborate on a project, without stepping on each other toes) and component-based web development. Cocoon implements these concepts around the notion of "component pipelines", each component on the pipeline specializing on a particular operation. This makes it possible to use a "building block" approach for web solutions, hooking together components into pipelines without any required programming.


Languages: JavaXML

Apache Commons Attributes
A package for handling runtime information about types (including Java classes)

Categories: library

Languages: Java

Apache Commons BCEL
The Byte Code Engineering Library is intended to give users a convenient possibility to analyze, create, and manipulate (binary) Java class files (those ending with .class). Classes are represented by objects which contain all the symbolic information of the given class: methods, fields and byte code instructions, in particular.

Categories: library

Languages: Java

Apache Commons BeanUtils
BeanUtils provides an easy-to-use but flexible wrapper around reflection and introspection.

Categories: library

Languages: Java

Apache Commons Betwixt
Commons Betwixt: mapping beans to XML

Categories: library

Languages: Java

Apache Commons BSF
Bean Scripting Framework (BSF) is a set of Java classes which provides scripting language support within Java applications, and access to Java objects and methods from scripting languages. BSF allows one to write JSPs in languages other than Java while providing access to the Java class library. In addition, BSF permits any Java application to be implemented in part (or dynamically extended) by a language that is embedded within it. This is achieved by providing an API that permits calling scripting language engines from within Java, as well as an object registry that exposes Java objects to these scripting language engines.

Categories: library

Languages: Java

Apache Commons Chain
An implmentation of the GoF Chain of Responsibility pattern

Categories: library

Languages: Java

Apache Commons CLI
Commons CLI provides a simple API for presenting, proecessing and validating a command line interface.

Categories: library

Languages: Java

Apache Commons Codec
The codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.

Categories: library

Languages: Java

Apache Commons Collections
Types that extend and augment the Java Collections Framework.

Categories: library

Languages: Java

Apache Commons Compress
Commons Compress: working with zip, ar, jar, bz2, cpio, tar, gz, dump, pack200 and xz files.

Categories: library

Languages: Java

Apache Commons Configuration
Library to use configuration/preferences of various sources and formats.

Categories: library

Languages: Java

Apache Commons Daemon
Commons Daemon

Categories: library

Languages: Java

Apache Commons DBCP
Commons Database Connection Pooling

Categories: library

Languages: Java

Apache Commons DbUtils
A package of Java utility classes for easing JDBC development

Categories: library

Languages: Java

Apache Commons Digester
The Digester package lets you configure an XML->Java object mapping module which triggers certain actions called rules whenever a particular pattern of nested XML elements is recognized.

Categories: library

Languages: Java

Apache Commons Discovery
Commons Discovery

Categories: library

Languages: Java

Apache Commons EL
JSP 2.0 Expression Language Interpreter Implementation

Categories: library

Languages: Java

Apache Commons Email
Commons-Email aims to provide a API for sending email. It is built on top of the Java Mail API, which it aims to simplify.

Categories: library

Languages: Java

Apache Commons Exec
A library to reliably execute external processes from within the JVM

Categories: library

Languages: Java

Apache Commons FileUpload
The FileUpload component provides a simple yet flexible means of adding support for multipart file upload functionality to servlets and web applications.

Categories: library

Languages: Java

Apache Commons HttpClient
Commons HttpClient is a library for client-side HTTP communication. It provides support for HTTP/1.1 and HTTP/1.0, plus various authentication schemes and cookie policies. Thanks to it's widespread use and years of development, it is a very mature and stable codebase. However, due to limitations in the API design, Commons HttpClient will eventually be replaced by HttpClient 4.0 with a completely redesigned API based on HttpCore.

Categories: httplibrarynetwork-client

Languages: Java

Apache Commons IO
Commons-IO contains utility classes, stream implementations, file filters, file comparators and endian classes.

Categories: library

Languages: Java

Apache Commons JCI
Commons-JCI provides a unified interface to any of several Java compilers.

Categories: library

Languages: Java

Apache Commons JCS
Comprehensive Caching System

Categories: library

Languages: Java

Apache Commons Jelly
Jelly is a Java and XML based scripting engine. Jelly combines the best ideas from JSTL, Velocity, DVSL, Ant and Cocoon all together in a simple yet powerful scripting engine.

Categories: library

Languages: Java

Apache Commons JEXL
Jexl is an implementation of the JSTL Expression Language with extensions.

Categories: library

Languages: Java

Apache Commons JXPath
A Java-based implementation of XPath 1.0 that, in addition to XML processing, can inspect/modify Java object graphs (the library's explicit purpose) and even mixed Java/XML structures.

Categories: library

Languages: Java

Apache Commons Lang
Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang.

Categories: library

Languages: Java

Apache Commons Launcher
Launcher are a set of Java classes which aim at making a cross platform Java application launcher.

Categories: library

Languages: Java

Apache Commons Logging
Commons Logging is a thin adapter allowing configurable bridging to other, well known logging systems.

Categories: library

Languages: Java

Apache Commons Math
The Math project is a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language or commons-lang.

Categories: library

Languages: Java

Apache Commons Modeler
Commons Modeler

Categories: library

Languages: Java

Apache Commons Net

Categories: library

Languages: Java

Apache Commons Pool
Commons Object Pooling Library

Categories: library

Languages: Java

Apache Commons Primitives
Commons Primitives is a set of collection and utility classes for primitive types. The Java language has a clear distinction between Object and primitive types. A lot of functionality is provided for Object types, including the Java Collection Framework. Relatively little functionality is provided by the JDK for primitives. This package addresses this by providing a set of utility and collection classes for primitives.

Categories: library

Languages: Java

Apache Commons Proxy
Commons Dynamic Proxy Library

Categories: library

Languages: Java

Apache Commons SCXML
An implementation of the State Chart XML specification aimed at creating and maintaining a Java SCXML engine. It is capable of executing an environment agnostic state machine defined using a SCXML document.

Categories: library

Languages: Java

Apache Commons Validator
Commons Validator provides the building blocks for both client side validation and server side data validation. It may be used standalone or with a framework like Struts.

Categories: library

Languages: Java

Apache Commons VFS
VFS is a Virtual File System library.

Categories: library

Languages: Java

Apache Compress Ant Library
This is a library of Ant tasks and types uses Apache Commons Compress to support additional archive formats like ar, pack200, xz and cpio.

Categories: build-management

Languages: Java

PMC: Apache Ant
Apache CXF
Apache CXF is an open source services framework. CXF helps you build and develop services using frontend programming APIs like JAX-WS and JAX-RS. These services can speak a variety of protocols such as SOAP, XML/HTTP, RESTful HTTP, or CORBA and work over a variety of transports such as HTTP, JMS or JBI.


Languages: Java

PMC: Apache CXF
Apache Derby
Apache Derby is an open source relational database implemented entirely in Java. It has a small footprint that makes it easy to embed in any Java-based application, but it also supports the more familiar client/server mode. It is based on the Java, JDBC, and SQL standards, making code developed more portable to standards-compliant databases.

Categories: database

Languages: Java

PMC: Apache DB
Apache Directory
The Apache Directory project provides directory solutions entirely written in Java. These include a directory server, which has been certified as LDAP v3 compliant by the Open Group (ApacheDS), and Eclipse-based directory tools (Apache Directory Studio).


Languages: Java

ApacheDS is an extensible and embeddable directory server entirely written in Java, which has been certified LDAPv3 compatible by the Open Group. Besides LDAP it supports Kerberos 5 and the Change Password Protocol. It has been designed to introduce triggers, stored procedures, queues and views to the world of LDAP which has lacked these rich constructs.

Categories: network-server

Languages: Java

Apache Directory Studio
Apache Directory Studio is a complete directory tooling platform intended to be used with any LDAP server however it is particularly designed for use with ApacheDS. It is an Eclipse RCP application, composed of several Eclipse (OSGi) plugins, that can be easily upgraded with additional ones. These plugins can even run within Eclipse itself.

Categories: network-client

Languages: Java

Apache Droids (incubating)
Apache Droids (incubating) aims to be an intelligent standalone robot framework that allows to create robots as plugins, which can automatically seeks out relevant online information based on the user's specifications. Droids makes it very easy to extend existing robots or write a new one from scratch, which can automatically seek out relevant online information based on the user's specifications. Droids (plural) is not designed for a special usecase, it is a framework: Take what you need, do what you want.

Categories:

Languages: Java

Apache ECS
The Element Construction Set is a Java API for generating elements for various markup languages it directly supports HTML 4.0 and XML, but can easily be extended to create tags for any markup language.

Categories: libraryretired

Languages: Java

Apache Empire-db
Apache Empire-db is a relational database abstraction layer that allows developers to take a much more SQL-centric approach in application development than traditional Object/Relational mapping frameworks (ORM). With its unique object orientated command API it allows the creation of SQL-statements of any complexity that take full advantage of all DBMS features which leads to highly efficient database operations and code. Additionally by eliminating the use of error-prone string operations it also offers an unprecedented level of ease-of-use and compile-time-safety.

Categories: database

Languages: Java

Apache ESME
Apache ESME (Enterprise Social Messaging Environment) is a secure and highly scalable microsharing and micromessaging platform that allows people to discover and meet one another and get controlled access to other sources of information, all in a business process context. You can hardly turn a web page these days without seeing a story that describes how people are using social networks, whether it is Twitter, Facebook or some other service to develop and build their personal communities. In business, we increasingly see blogs and wikis demonstrating utility in problem solving and communications but the real time nature of business process problem solving largely remains untouched by social networking tools. Existing services, while attractive do not scale well and have proven unreliable. This is unacceptable to business which must be 'Always On' and able to support people in their daily working lives. Such applications must therefore be scalable and reliable but also provide a lot more. When solving problems, how good might it be if a user was able to tap into the collective knowledge of her peers or surrounding groups of people with whom she might naturally network in the workplace setting? How much quicker and with greater precision might she be able to solve daily problems? What if there was a communications mechanism that takes the best of what services like Twitter offers and co-mingled that with readily recognizable business processes? That solution is Apache ESME.

Categories: content

Languages: Scala

Apache Excalibur
The predecessor of Apache Avalon, Apache Excalibur hosts the Avalon framework, a Java container framework, the Excalibur and Fortress inversion of control containers, and a rich library of components. Excalibur code powers Apache James and Cocoon and numerous other open source and commercial projects.

Categories: network-serverretired

Languages: Java

Apache Felix
OSGi framework implementation and related technologies.

Categories: network-server

Languages: Java

Apache FOP
FOP (Formatting Objects Processor) is the world's first print formatter driven by XSL formatting objects (XSL-FO) and the world's first output independent formatter. It is a Java application that reads a formatting object (FO) tree and renders the resulting pages to a specified output. Output formats currently supported include PDF, PCL, PS, SVG, XML (area tree representation), Print, AWT, MIF and TXT. The primary output target is PDF.

Categories: xmlgraphics

Languages: Java

Apache Forrest
Apache Forrest™ software is a publishing framework that transforms input from various sources into a unified presentation in one or more output formats. The modular and extensible plug-in architecture of Apache Forrest is based on Apache Cocoon and the relevant industry standards that separate presentation from content. Forrest can generate static documents, or be used as a dynamic server, or be deployed by its automated facility.
Apache FtpServer
The Apache FtpServer is a 100% pure Java FTP server. It's designed to be a complete and portable FTP server engine solution based on currently available open protocols. FtpServer can be run standalone as a Windows service or Unix/Linux daemon, or embedded into a Java application. We also provide support for integration within Spring applications and provide our releases as OSGi bundles.

Categories: network-server

Languages: Java

Apache Geronimo
Apache Geronimo is an open source server runtime that integrates the best open source projects to create Java/OSGi server runtimes that meet the needs of enterprise developers and system administrators. Our most popular distribution is a fully certified Java EE 5 application server runtime.


Languages: Java

Apache Gora
Although there are various excellent ORM frameworks for relational databases, data modeling in NoSQL data stores differ profoundly from their relational cousins. Moreover, data-model agnostic frameworks such as JDO are not sufficient for use cases, where one needs to use the full power of the data models in column stores. Gora fills this gap by giving the user an easy-to-use Object Mapping framework with data store specific mappings and built in Apache Hadoop support.

Categories: database

Languages: Java

Apache Gump
Gump provides large scale continuous integration for various open source projects.

Categories: build-managementtesting

Languages: Python

Apache Hadoop
Hadoop Core contains a distributed computing platform. This includes the Hadoop Distributed Filesystem (HDFS) and an implementation of MapReduce.

Categories: database

Languages: Java

Apache Harmony
Apache Harmony software is a modular Java runtime with class libraries and associated tools.

Categories: virtual-machineretired

Languages: JavaC

Apache HBase
Use Apache HBase software when you need random, realtime read/write access to your Big Data. This project's goal is the hosting of very large tables -- billions of rows X millions of columns -- atop clusters of commodity hardware. HBase is an open-source, distributed, versioned, column-oriented store modeled after Google's Bigtable: A Distributed Storage System for Structured Data by Chang et al. Just as Bigtable leverages the distributed data storage provided by the Google File System, HBase provides Bigtable-like capabilities on top of Hadoop and HDFS.

Categories: database

Languages: Java

Apache Hive
The Apache Hive (TM) data warehouse software facilitates querying and managing large datasets residing in distributed storage. Built on top of Apache Hadoop (TM), it provides * tools to enable easy data extract/transform/load (ETL) * a mechanism to impose structure on a variety of data formats * access to files stored either directly in Apache HDFS (TM) or in other data storage systems such as Apache HBase (TM) * query execution via MapReduce Hive defines a simple SQL-like query language, called HiveQL, that enables users familiar with SQL to query the data. At the same time, this language also allows programmers who are familiar with the MapReduce framework to be able to plug in their custom mappers and reducers to perform more sophisticated analysis that may not be supported by the built-in capabilities of the language. HiveQL can also be extended with custom scalar functions (UDF's), aggregations (UDAF's), and table functions (UDTF's).

Categories: database

Languages: Java

Apache Hivemind
HiveMind is a framework for creating applications, not an application, or even an application server, itself. The 'core' of HiveMind is the startup logic that knows how to parse and understand the module deployment descriptors, and use that information to instantiate and initialize all those services and configurations.

Categories: libraryretired

Languages: Java

Apache HTTP Server
The Apache HTTP Server is an open-source HTTP server for modern operating systems including UNIX, Microsoft Windows, Mac OS/X and Netware. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services observing the current HTTP standards. Apache has been the most popular web server on the Internet since April of 1996.

Categories: network-serverhttphttpd-module

Languages: C

Apache HttpComponents Client
HttpClient is a library for client-side HTTP communication built on HttpCore. It provides connection management, cookie management, and authentication. This is the successor to the widely used Jakarta Commons HttpClient 3.1.

Categories: httplibrarynetwork-client

Languages: Java

Apache HttpComponents Core
HttpCore is a set of low level HTTP transport components that can be used to build custom client and server side HTTP services with a minimal footprint. HttpCore supports two I/O models: blocking I/O model based on the classic Java I/O and non-blocking, event driven I/O model based on Java NIO. The blocking I/O model may be more appropriate for data intensive, low latency scenarios, whereas the non-blocking model may be more appropriate for high latency scenarios where raw data throughput is less important than the ability to handle thousands of simultaneous HTTP connections in a resource efficient manner.


Languages: Java

Apache Ivy
Apache Ivy is a very powerful dependency manager oriented toward Java dependency management, even though it could be used to manage dependencies of any kind.

Categories: build-management

Languages: Java

PMC: Apache Ant
Apache IvyDE
IvyDE lets you manage your dependencies declared in an ivy.xml in your Java Eclipse projects. IvyDE will contribute to the classpath of your Java project, with the classpath container. It also bring an editor of ivy.xml files, with completion.

Categories: build-management

Languages: Java

PMC: Apache Ant
Apache Jackrabbit
Apache Jackrabbit is a fully conforming implementation of the Content Repository for Java Technology API (JCR). A content repository is a hierarchical content store with support for structured and unstructured content, full text search, versioning, transactions, observation, and more. Typical applications that use content repositories include content management, document management, and records management systems.

Categories: databaselibrarynetwork-serverxml

Languages: Java

Apache Jakarta Cactus
The intent of Cactus is to lower the cost of writing tests for server-side code. It uses JUnit and extends it. Cactus implements an in-container strategy, meaning that tests are executed inside the container.

Categories: testingretired

Languages: Java

Apache JAMES
The Apache Java Enterprise Mail Server (a.k.a. Apache James) is a 100% pure Java SMTP and POP3 Mail server and NNTP News server. We have designed James to be a complete and portable enterprise mail engine solution based on currently available open protocols. James is also a mail application platform. We have developed a Java API to let you write Java code to process emails that we call the mailet API. A mailet can generate an automatic reply, update a database, prevent spam, build a message archive, or whatever you can imagine. A matcher determines whether your mailet should process an email in the server. The James project hosts the Mailet API, and James provides an implementation of this mail application platform API.

Categories: mailnetwork-server

Languages: Java

Apache JMeter
Apache JMeter may be used to test performance both on static and dynamic resources (files, Servlets, Perl scripts, Java Objects, Data Bases and Queries, FTP Servers and more). It can be used to simulate a heavy load on a server, network or object to test its strength or to analyze overall performance under different load types. You can use it to make a graphical analysis of performance or to test your server/script/object behavior under heavy concurrent load.

Categories: testing

Languages: Java

Apache Karaf
Apache Karaf is a small OSGi based runtime which provides a lightweight container onto which various components and applications can be deployed.

Categories: network-serverosgi

Languages: Java

Apache Lenya
Apache Lenya is an Open Source Java/XML Content Management Framework and comes with revision control, site management, scheduling, search, WYSIWYG editors, and workflow.

Categories: web-frameworkxml

Languages: Java

Apache Libcloud
Apache Libcloud is a standard Python library that abstracts away differences among multiple cloud provider APIs. It allows users to manage cloud servers, cloud storage and load-balancers.

Categories: library

Languages: Python

Apache log4cxx
Apache log4cxx provides logging services for C++.

Categories: library

Languages: C

Apache log4j
Apache log4j provides logging services for Java.

Categories: library

Languages: Java

Apache log4net
Apache log4net provides logging services for .NET.

Categories: library

Languages: C#

Apache log4php
Apache log4php is a logging framework for PHP.

Categories: library

Languages: PHP

Apache Lucene Core
Apache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform.

Categories: database

Languages: Java

Apache Lucy
The Apache Lucy search engine library provides full-text search for dynamic programming languages.

Categories: database

Languages: CPerlRuby

PMC:
Apache Mahout
Scalable machine learning library

Categories: library

Languages: Java

Apache Maven
Maven is a project development management and comprehension tool. Based on the concept of a project object model: builds, dependency management, documentation creation, site publication, and distribution publication are all controlled from the declarative file. Maven can be extended by plugins to utilise a number of other development tools for reporting or the build process.

Categories: build-management

Languages: Java

Apache MINA
Apache MINA is a network application framework which helps users develop high performance and high scalability network applications easily. It provides an abstract, event-driven, asynchronous API over various transports such as TCP/IP and UDP/IP via Java NIO.


Languages: Java

Apache mod_ftp
mod_ftp is an FTP Protocol module to serve httpd content over the FTP protocol (whereever the HTTP protocol could also be used). It provides both RETR/REST retrieval and STOR/APPE upload, using the same user/permissions model as httpd (so it shares the same security considerations as mod_dav plus mod_dav_fs).

Categories: network-serverftphttpd-module

Languages: C

Apache mod_perl
mod_perl is a unique piece of software that integrates the power of Perl with the flexibility and stability of the Apache Web server. With mod_perl, you can harness the power of the full Apache API with Perl and develop Web applications quickly, without sacrificing performance.

Categories: httpd-module

Languages: CPerl

Apache MyFaces
MyFaces is the free open source implementation of JavaServer(tm) Faces, a new and upcoming web application framework that accomplishes the MVC paradigm. It is comparable to the well-known Struts Framework but has features and concepts that are beyond those of Struts - especially the component orientation.

Categories: web-frameworkjavaee

Languages: Java

Apache Nutch
Apache Nutch is an open source web-search software project. Stemming from Apache Lucene, it now builds on Apache Solr adding web-specifics, such as a crawler, a link-graph database and parsing support handled by Apache Tika for HTML and and array other document formats. Apache Nutch can run on a single machine, but gains a lot of its strength from running in a Hadoop cluster The system can be enhanced (eg other document formats can be parsed) using a highly flexible, easily extensible and thoroughly maintained plugin infrastructure.

Categories: web-framework

Languages: Java

Apache ODE
Apache ODE (Orchestration Director Engine) executes business processes written following the WS-BPEL standard. It talks to web services, sending and receiving messages, handling data manipulation and error recovery as described by your process definition. It supports both long and short living process executions to orchestrate all the services that are part of your application. WS-BPEL is an XML-based language defining several constructs to write business processes. It defines a set of basic control structures like conditions or loops as well as elements to invoke web services and receive messages from services. It relies on WSDL to express web services interfaces. Message structures can be manipulated, assigning parts or the whole of them to variables that can in turn be used to send other messages.

Categories: xmlnetwork-server

Languages: Java

PMC: Apache Ode
Apache OFBiz
Apache OFBiz (The Apache Open For Business Project) is an open source enterprise automation software project. By open source enterprise automation we mean: Open Source ERP, Open Source CRM, Open Source E-Business / E-Commerce, Open Source SCM, Open Source MRP, Open Source CMMS/EAM, and so on. It is one of the few apps of this type to be developed by a community, rather than one corporation.


Languages: JavaGroovyJavaScriptXML

Apache OODT
Apache OODT software is component based, and offers a software architecture beyond simple science applications.
Apache OpenJPA
Apache OpenJPA is a Java persistence project at The Apache Software Foundation that can be used as a stand-alone POJO persistence layer or integrated into any Java EE compliant container and many other lightweight frameworks, such as Tomcat and Spring. The 1.x releases are a production ready, feature-rich, compliant implementation of the Java Persistence API (JPA) 1.0 part of the JSR-220 Enterprise Java Beans 3.0 specification, which pass the Sun JPA 1.0b Technology Compatibility Kit. The 2.x releases are a production ready, compliant implement of the JSR-317 Java Persistence 2.0 specification, which is backwards compatible to the JPA 1.0 specification and passes the Sun JPA 2.0 Technology Compatibility Kit.

Categories: databaselibraryjavaee

Languages: Java

Apache OpenWebBeans
OpenWebBeans is an ALv2-licensed implementation of the "Contexts and Dependency Injection for the Java EE platform" specification which is defined as JSR-299.

Categories: javaee

Languages: Java

Apache ORO
A set of text-processing Java classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, filtering filenames, etc.

Categories: libraryregexpretired

Languages: Java

Apache PDFBox
The Apache PDFBox library is an open source Java tool for working with PDF documents.

Categories: contentlibrary

Languages: Java

Apache Pig
Apache Pig is a platform for analyzing large data sets that consists of a high-level language for expressing data analysis programs, coupled with infrastructure for evaluating these programs. The salient property of Pig programs is that their structure is amenable to substantial parallelization, which in turns enables them to handle very large data sets. Pig's infrastructure layer consists of a compiler that produces sequences of Map-Reduce programs. Pig's language layer consists of a textual language called Pig Latin, which has the following key properties: * Ease of programming. It is trivial to achieve parallel execution of simple, "embarrassingly parallel" data analysis tasks. Complex tasks comprised of multiple interrelated data transformations are explicitly encoded as data flow sequences, making them easy to write, understand, and maintain. * Optimization opportunities. The way in which tasks are encoded permits the system to optimize their execution automatically, allowing the user to focus on semantics rather than efficiency. * Extensibility. Users can create their own functions to do special-purpose processing.

Categories: database

Languages: Java

PMC: Apache Pig
Apache Pivot
Apache Pivot is an open-source platform for building installable Internet applications (IIAs). It combines the enhanced productivity and usability features of a modern user interface toolkit with the robustness of the Java platform.

Categories: library

Languages: Java

Apache POI
APIs for manipulating various file formats based upon Open Office XML (ECMA-376) and Microsoft's OLE 2 Compound Document formats using pure Java. Apache POI is your Java Excel, Word and PowerPoint solution. We have a complete API for porting other OOXML and OLE 2 Compound Document formats and welcome others to participate.

Categories: contentlibrary

Languages: Java

PMC: Apache POI
Apache Portable Runtime
The mission of the Apache Portable Runtime (APR) project is to create and maintain software libraries that provide a predictable and consistent interface to underlying platform-specific implementations. The primary goal is to provide an API to which software developers may code and be assured of predictable if not identical behaviour regardless of the platform on which their software is built, relieving them of the need to code special-case conditions to work around or take advantage of platform-specific deficiencies or features.

Categories: library

Languages: C

Apache Portals
The Apache Portals project provides various software products, including Apache Jetspeed-2, Apache Pluto, and Apache Portals Applications.

Categories: web-framework

Languages: Java

Apache Props Ant Library
The Apache Props Antlib is a library of supplementary handlers for Apache Ant properties resolution. The types provided are instances of org.apache.tools.ant.PropertyHelper.Delegate and can be invoked using the <propertyhelper> task provided in Ant 1.8.0.

Categories: build-management

Languages: Java

PMC: Apache Ant
Apache Qpid
Apache Qpid implements the latest AMQP specification, the first open standard for enterprise messaging, and provides transaction management, queuing, distribution, security, management, clustering, federation and heterogeneous multi-platform support and a lot more.


Languages: C++JavaC#PythonRuby

Apache RAT
Release Audit Tool (RAT) is a tool to improve accuracy and efficiency when checking releases. It is heuristic in nature: making guesses about possible problems. It will produce false positives and cannot find every possible issue with a release. It's reports require interpretation. RAT was developed in response to a need felt in the Apache Incubator to be able to review releases for the most common faults less labour intensively. It is therefore highly tuned to the Apache style of releases.

Categories: build-management

Languages: Java

Apache Rave
Apache Rave is a new web and social mashup engine. It will provide an out-of-the-box as well as an extendible lightweight Java platform to host, serve and aggregate (Open)Social Gadgets and services through a highly customizable and Web 2.0 friendly front-end. Rave is targeted as engine for internet and intranet portals and as building block to provide context-aware personalization and collaboration features for multi-site/multi-channel (mobile) oriented and content driven websites and (social) network oriented services and platforms. For the OpenSocial container and services the (Java) Apache Shindig will be integrated. At a later stage further generalization is envisioned to also transparently support W3C Widgets using Apache Wookie.

Categories: web-framework

Languages: Java

Apache Regexp
100% Pure Java Regular Expression package

Categories: libraryregexpretired

Languages: Java

Apache Reusable Dialog Components (RDC) Taglib
Server-side generation of HTML has proven an effective way of generating the user interface for visual web applications. Over time, the effort involved in such HTML generation has been reduced by the availability of various JSP tag libraries that abstract away the minutiae of HTML markup. The RDC project aims to achieve for voice and multimodal applications what JSP tag libraries have already achieved in the world of visual web applications.

Categories: library

Languages: JSP

Apache Rivet
Apache Rivet is a system for creating dynamic web content via the Tcl programming language integrated with Apache Web Server. It is designed to be fast, powerful and extensible, consume few system resources, be easy to learn, and to provide the user with a platform that can also be used for other programming tasks outside the web (GUI's, system administration tasks, text processing, database manipulation, XML, and so on). In order to meet these goals Tcl programming language was chosen to combine with the Apache HTTP Server.

Categories: web-framework

Languages: Tcl

PMC: Apache Tcl
Apache Sandesha2
Apache Sandesha2 is an Axis2 module that implements the WS-ReliableMessaging specification. It can be used both on the client side and on the server side.

Categories: xml

Languages: Java

Apache Santuario
Library implementing XML Digital Signature Specification & XML Encryption Specification

Categories: xml

Languages: JavaC

Apache Scout
Apache Scout is an implementation of the JSR 93 (JAXR). It provides an implementation to access UDDI registries (particularly Apache jUDDI) in a standard way.

Categories: xml

Languages: Java

Apache ServiceMix
Apache ServiceMix is an open source distributed Enterprise Service Bus (ESB) and SOA toolkit built from the ground up on the semantics and APIs of the Java Business Integration (JBI) specification JSR 208 and released under the Apache license.

Categories: network-serverxml

Languages: Java

Apache Shale
Shale is a modern web application framework, fundamentaly based on JavaServer Faces, and focused on improving ease of use for developers adopting JSF as a foundational technology in their own development environments.

Categories: web-frameworkretired

Languages: Java

Apache Shiro
Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management. With Shiro’s easy-to-understand API, you can quickly and easily secure any application – from the smallest mobile applications to the largest web and enterprise applications.

Categories: libraryweb-framework

Languages: Java

Apache SIS
Apache SIS is an ASFv2 licensed open source toolkit for enabling representation of coordinates, geometries and shapes for searching, data clustering, archiving, or any other relevant spatial needs.

Categories: library

Languages: Java

Apache Sling
Apache Sling is a web framework that uses a Java Content Repository, such as Apache Jackrabbit, to store and manage content. Sling applications use either scripts or Java servlets, selected based on simple name conventions, to process HTTP requests in a RESTful way. The embedded Apache Felix OSGi framework and console provide a dynamic runtime environment, where code and content bundles can be loaded, unloaded and reconfigured at runtime. As the first web framework dedicated to JSR-170 Java Content Repositories, Sling makes it very simple to implement simple applications, while providing an enterprise-level framework for more complex applications.

Categories:

Languages: Java

Apache Solr
Solr is an open source enterprise search server based on the Lucene Java search library, with XML/HTTP and JSON, Ruby, and Python APIs, hit highlighting, faceted search, caching, replication, and a web administration interface.


Languages: Java

Apache SpamAssassin
Apache SpamAssassin is an extensible email filter which is used to identify spam. Using its rule base, it uses a wide range of advanced heuristic and statistical analysis tests on mail headers and body text to identify "spam", also known as unsolicited bulk email. Once identified, the mail can then be optionally tagged as spam for later filtering. It provides a command line tool to perform filtering, a client-server system to filter large volumes of mail, and Mail::SpamAssassin, a set of Perl modules.

Categories: mail

Languages: PerlC

Apache SSHD
Apache SSHD is a 100% pure java library to support the SSH protocols on both the client and server side. This library is based on Apache MINA, a scalable and high performance asynchronous IO library. SSHD does not really aim at being a replacement for the SSH client or SSH server from Unix operating systems, but rather provides support for Java based applications requiring SSH support.

Categories: network-server

Languages: Java

Apache Stanbol
Apache Stanbol is a modular software stack and reusable set of components for semantic content management

Categories: build-management

Languages: Java

Apache Struts
The Apache Struts Project offers two major versions of the the Apache Struts web framework. Struts 1 is recognized as the most popular web application framework for Java. Struts 1 is the best choice for teams who value proven solutions to common problems. Struts 2 was originally known as WebWork 2. The 2.x framework is the best choice for teams who value elegant solutions to difficult problems.

Categories: web-framework

Languages: Java

Apache Subversion
Subversion exists to be universally recognized and adopted as an open-source, centralized version control system characterized by its reliability as a safe haven for valuable data; the simplicity of its model and usage; and its ability to support the needs of a wide variety of users and projects, from individuals to large-scale enterprise operations.

Categories: build-management

Languages: C

Apache Synapse
Apache Synapse is a simple and highly effective ESB, Web Services intermediary and SOA framework. It can be added to your existing network very simply either as a services gateway or as an HTTP proxy. Once Apache Synapse is mediating your service requests it can perform many functions including routing, load-balancing, transformation and protocol switching. Apache Synapse can be used to build an Enterprise Service Bus (ESB) or Service Oriented Architecture (SOA). Apache Synapse has been designed to support very fast XML routing with a streaming XML design based upon Apache Axiom. in addition, the use of a completely asynchronous architecture and non-blocking IO based on Java NIO ensures that Synapse has very low overhead and can scale to support thousands of concurrent clients without dropping messages.


Languages: Java

Apache Tapestry
What is Tapestry 5? Pure Java and Polyglot Written in pure Java: code your pages and components in Java, Groovy or Scala. Convention Over Configuration Say goodbye to endless XML configuration files: dependency injection and meta-programming through annotations. Highly Productive Live class reloading means that the time between seeing an error and providing the fix is seconds, not minutes. Scalable Scales up big on a single server, and works great in a cluster. Keeps session state minimal by design. Advanced Exception Reporting Gives you all the tools you need to fix your problem: not just a stack trace, but every bit of information you need to know about what Tapestry was doing, why it was doing it, what went wrong, and how to fix it. Testable Committed to testability throughout design; built-in utilities to enhance TDD. Support for Selenium for integration testing. See Tapestry's code coverage report Fast Pure Java; no reflection, not even for property expressions. Built to cleanly support large numbers of concurrent threads without contention. Automatic GZip content compression, JavaScript aggregation, and client-side caching. Adaptable And Modular Architecture is open and extensible. There's a clean way to add your own extensions, or override built-in logic. Provides integration with Hibernate and Spring. Third-party integrations with other tools, such as Quartz and Lucene.

Categories: web-framework

Languages: Java

Texen
Texen is a general purpose text generating utility. It is capable of producing almost any sort of text output. Driven by Ant, essentially an Ant Task, Texen uses a control template, an optional set of worker templates, and control context to govern the generated output. Although TexenTask can be used directly, it is usually subclassed to initialize your control context before generating any output.

Categories: library

Languages: Java

Apache Tika
The Apache Tika toolkit is an ASFv2 licensed open source tool for extracting information from digital documents. Tika allows search engines, content management systems and other applications that work with various kinds of digital documents to easily detect and extract metadata and content from all major file formats.

Categories: library

Languages: Java

Apache Tiles
Apache Tiles™ is a templating framework built to simplify the development of web application user interfaces. Tiles allows authors to define page fragments which can be assembled into a complete page at runtime. These fragments, or tiles, can be used as simple includes in order to reduce the duplication of common page elements or embedded within other tiles to develop a series of reusable templates. These templates streamline the development of a consistent look and feel across an entire application.

Categories: web-framework

Languages: Java

Apache Tobago
The goal of Tobago is to provide the community with a well designed set of user interface components based on JSF.

Categories: web-framework

Languages: Java

Apache Tomcat
Apache Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed under the Java Community Process. Apache Tomcat is developed in an open and participatory environment and released under the Apache License version 2. Apache Tomcat is intended to be a collaboration of the best-of-breed developers from around the world. We invite you to participate in this open development project. Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations. Some of these users and their stories are listed on the PoweredBy wiki page.

Categories: network-server

Languages: Java

Apache Torque
Torque is an object-relational mapper for Java. In other words, Torque lets you access and manipulate data in a relational database using java objects. Unlike most other object-relational mappers, Torque does not use reflection to access user-provided classes, but it generates the necessary classes (including the Data Objects) from an XML schema describing the database layout (which can either be written by hand or generated from an existing database). The XML schema can also be used to generate and execute a SQL script which creates all the tables in the database.

Categories: database

Languages: Java

PMC: Apache DB
Apache Traffic Server
Apache Traffic Server is fast, scalable and extensible HTTP/1.1 compliant caching proxy server. ATS can be used as a reverse, forward or even transparent HTTP proxy.

Categories: http

Languages: C

Apache Turbine
Turbine is a servlet based framework that allows experienced Java developers to quickly build web applications. Turbine allows you to use personalize the web sites and to use user logins to restrict access to parts of your application. Turbine is a matured and well established framework that is used as the base of many other projects (like e.g. the excellent Jetspeed 1 Portals framework. Turbine is an excellent choice for developing applications that make use of a services-oriented architecture. Some of the functionality provided with Turbine includes a security management system, a scheduling service, XML-defined form validation server, and an XML-RPC service for web services. It is a simple task to create new services particular to your application. The Turbine core is free of any dependency on a presentation layer technology. Both JavaServer Pages (JSP) and Velocity are supported inside Turbine. For developers already familiar with JSP, or have existing JSP tag libraries, Turbine offers support for the Sun standard. Velocity is the favorite view technology of most users of the Turbine framework; try it out and see if Velocity can help you develop your web applications faster and work more easily with non-programming designers. Turbine is developed in an open, participatory environment and released under the Apache Software License. Turbine is intended to be a collaboration of the best-of-breed developers from around the world. We invite you to participate in this open development project. To learn more about getting involved, look at our "How to Help" pages.

Categories: web-framework

Languages: Java

Apache UIMA
The Apache UIMA project supports the community working on the analysis of unstructured information with a unifying Java and C++ framework, tooling, and analysis components, guided by the OASIS UIMA standard. It includes support for very large scaleout using networked clusters of compute nodes.

Categories:

Languages: JavaC++

PMC:
Apache Velocity
Velocity is a Java-based template engine. It permits anyone to use a simple yet powerful template language to reference objects defined in Java code. When Velocity is used for web development, Web designers can work in parallel with Java programmers to develop web sites according to the Model-View-Controller (MVC) model, meaning that web page designers can focus solely on creating a site that looks good, and programmers can focus solely on writing top-notch code. Velocity separates Java code from the web pages, making the web site more maintainable over its lifespan and providing a viable alternative to Java Server Pages (JSPs) or PHP.

Categories: library

Languages: Java

Apache Velocity DVSL
DVSL (Declarative Velocity Style Language) is a tool modeled after XSLT and is intended for general XML transformations using the Velocity Template Language as the templating language for the transformations. The key differences are that it incorporates easy access to Java objects and allows you to use the Velocity template language and it's features for expressing the transformation templates.

Categories: library

Languages: Java

Apache Velocity Tools
VelocityTools is a collection of Velocity subprojects with a common goal of creating tools and infrastructure for building both web and non-web applications using the Velocity template engine.

Categories: library

Languages: Java

Apache VSS Ant Library
The Apache VSS Antlib provides an interface to the Microsoft Visual SourceSafe SCM. The original Ant tasks have been expanded upon in this Antlib. Some fixes to issues in the original tasks have also been incorporated.

Categories: build-management

Languages: Java

PMC: Apache Ant
Apache Vysper
Apache Vysper aims to be a modular, full featured XMPP (Jabber) server. Vysper is implemented in Java.

Categories: network-server

Languages: Java

Apache Websh
Websh is a rapid development environment for building powerful, fast, and reliable web applications in Tcl. Websh is versatile and handles everything from HTML generation to data-base driven one-to-one page customization. Websh can be run in CGI environments and as Apache module.

Categories: web-frameworkhttpd-module

Languages: CTcl

PMC: Apache Tcl
Apache Whirr
Apache Whirr is a set of libraries for running cloud services Whirr provides: 1. A cloud-neutral way to run services. You don't have to worry about the idiosyncrasies of each provider. 2. A common service API. The details of provisioning are particular to the service. 3. Smart defaults for services. You can get a properly configured system running quickly, while still being able to override settings as needed. You can also use Whirr as a command line tool for deploying clusters.

Categories: network-server

Languages: JavaBash

Apache Wicket
With proper mark-up/logic separation, a POJO data model, and a refreshing lack of XML, Apache Wicket makes developing web-apps simple and enjoyable again. Swap the boilerplate, complex debugging and brittle code for powerful, reusable components written with plain Java and HTML.

Categories: web-framework

Languages: Java

Apache Woden
The Woden project is a subproject of the Apache Web Services Project to develop a Java class library for reading, manipulating, creating and writing WSDL documents, initially to support WSDL 2.0 but with the longer term aim of supporting past, present and future versions of WSDL. There are two main deliverables: an API and an implementation. The Woden API will consist of a set of Java interfaces. The WSDL 2.0-specific portion of the Woden API will conform to the W3C WSDL 2.0 specification. The implementation will be a high performance implementation directly usable in other Apache projects such as Axis2.

Categories: xml

Languages: Java

Apache Xalan for C++ XSLT Processor
Xalan-C++ is an XSLT processor for transforming XML documents into HTML, text, or other XML document types.

Categories: xml

Languages: C++

Apache Xalan for Java XSLT Processor
Xalan-J is an XSLT processor for transforming XML documents into HTML, text, or other XML document types. It implements XSL Transformations (XSLT) Version 1.0 and XML Path Language (XPath) Version 1.0 and can be used from the command line, in an applet or a servlet, or as a module in other program. Xalan-J implements the javax.xml.transform interface in Java API for XML Processing (JAXP) 1.3. This interface provides a modular framework and a standard API for performing XML transformations, and utilizes system properties to determine which Transformer and which XML parser to use.

Categories: xml

Languages: Java

Apache Xerces for C++ XML Parser
Xerces-C++ is a validating XML parser written in a portable subset of C++. Xerces-C++ makes it easy to give your application the ability to read and write XML data. A shared library is provided for parsing, generating, manipulating, and validating XML documents. Xerces-C++ is faithful to the XML 1.0 and 1.1 recommendations and many associated standards. The parser provides high performance, modularity, and scalability. Source code, samples and API documentation are provided with the parser. For portability, care has been taken to make minimal use of templates, no RTTI, and minimal use of #ifdefs.

Categories: xml

Languages: C

Apache Xerces for Java XML Parser
Xerces-J is a high performance, fully compliant validating XML parser written in Java. It is a fully conforming XML Schema processor that includes a complete implementation of the Document Object Model Level 3 Core and Load/Save W3C Recommendations and provides a complete implementation of the XML Inclusions (XInclude) W3C Recommendation. It also provides support for OASIS XML Catalogs v1.1. Xerces 2.x introduced the Xerces Native Interface (XNI), a complete framework for building parser components and configurations that is extremely modular and easy to program. XNI is merely an internal set of interfaces. There is no need for an XML application programmer to learn XNI if they only intend to interface to the Xerces2 parser using standard interfaces like JAXP, DOM, and SAX. Xerces developers and application developers that need more power and flexibility than that provided by the standard interfaces should read and understand XNI. The latest version released, 2.11.0, expands on Xerces' experimental support for XML Schema 1.1 by providing implementations for the simplified complex type restriction rules (also known as subsumption), xs:override and a few other XML Schema 1.1 features. This release also introduces experimental support for XML Schema Component Designators (SCD). It fixes several bugs which were present in Xerces-J 2.10.0 and also includes a few other minor enhancements.

Categories: xml

Languages: Java

Apache Xerces for Perl XML Parser
XML::Xerces is the Perl API to the Apache project's Xerces XML parser. It is implemented using the Xerces C++ API, and it provides access to most of the C++ API from Perl. Because it is based on Xerces-C, XML::Xerces provides a validating XML parser that makes it easy to give your application the ability to read and write XML data. Classes are provided for parsing, generating, manipulating, and validating XML documents. XML::Xerces is faithful to the XML 1.0 and 1.1 recommendations and associated standards (DOM levels 1, 2, and 3, SAX 1 and 2, Namespaces, and W3C XML Schema). The parser provides high performance, modularity, and scalability, and provides full support for Unicode. XML::Xerces implements the vast majority of the Xerces-C API (if you notice any discrepancies please mail the list). The exception is some functions in the C++ API which either have better Perl counterparts (such as file I/O) or which manipulate internal C++ information that has no role in the Perl module. The majority of the API is created automatically using Simplified Wrapper Interface Generator (SWIG). However, care has been taken to make most method invocations natural to perl programmers, so a number of rough C++ edges have been smoothed over (See the Special Perl API Features section).

Categories: xml

Languages: Perl

Apache Xindice
Pure Java based native XML database. Supports XPath and XUpdate.

Categories: xml

Languages: Java

PMC: Apache XML
Apache XML Commons External
The External components portion of Apache XML Commons contains interfaces that are defined by external standards organizations. For DOM, that's the W3C; for SAX it's David Megginson (http://www.saxproject.org); for JAXP it's Sun. While we could send users to each of the primary sources for these deliverables, keeping our own versions of these in the XML Commons repository gives us a number of advantages: 1) Simplicity of downloads; users get the whole product from one place, 2) Better version control; we can only take fixes we want and add Apache-specific changes, 3) Better overview documentation of how these interfaces fit into the XML processing world, 4) More chance for cross-project community building within Apache projects.

Categories: xml

Languages: Java

Apache XML Commons Resolver
The XML Commons Resolver can be used in a wide variety of XML parsing, processing and related programs to resolve various public or system identifiers into accessible URLs for use by your application. The resolver supports several catalog types for mapping, including OASIS XML, OASIS TR 9401 and XCatalog styles.

Categories: xml

Languages: Java

Apache XML Graphics Commons
Apache XML Graphics Commons is a library that consists of several reusable components used by Apache Batik and Apache FOP. Many of these components can easily be used separately outside the domains of SVG and XSL-FO. You will find components such as a PDF library, an RTF library, Graphics2D implementations that let you generate PDF and PostScript files and much more.

Categories: graphics

Languages: Java

Apache XMLBeans
XMLBeans is a tool that allows you to access the full power of XML in a Java friendly way. The idea is that you can take advantage of the richness and features of XML and XML Schema and have these features mapped as naturally as possible to the equivalent Java language and typing constructs. XMLBeans uses XML Schema to compile Java interfaces and classes that you can then use to access and modify XML instance data. Using XMLBeans is similar to using any other Java interface/class, you will see things like getFoo or setFoo just as you would expect when working with Java. While a major use of XMLBeans is to access your XML instance data with strongly typed Java classes there are also API's that allow you access to the full XML infoset (XMLBeans keeps XML Infoset fidelity) as well as to allow you to reflect into the XML schema itself through an XML Schema Object model. For more details on XMLBeans see the XMLBeans Wiki pages or the XMLBeans documentation (the Documentation tab on this website). What Makes XMLBeans Different There are at least two major things that make XMLBeans unique from other XML-Java binding options. 1. Full XML Schema support. XMLBeans fully supports XML Schema and the corresponding java classes provide constructs for all of the major functionality of XML Schema. This is critical since often times you do not have control over the features of XML Schema that you need to work with in Java. Also, XML Schema oriented applications can take full advantage of the power of XML Schema and not have to restrict themselvs to a subset. 2. Full XML Infoset fidelity.When unmarshalling an XML instance the full XML infoset is kept and is available to the developer. This is critical because because of the subset of XML that is not easily represented in java. For example, order of the elements or comments might be needed in a particular application. A major objective of XMLBeans has been to be applicable in all non-streaming (in memory) XML programming situations. You should be able to compile your XML Schema into a set of java classes and know that 1) you will be able to use XMLBeans for all of the schemas you encounter (even the warped ones) and 2) that you will be able to get to the XML at whatever level is necessary - and not have to resort to multple tools to do this. To accomplish this XMLBeans provides three major APIs: * XmlObject The java classes that are generated from an XML Schema are all derived from XmlObject. These provide strongly typed getters and setters for each of the elements within the defined XML. Complex types are in turn XmlObjects. For example getCustomer might return a CustomerType (which is an XmlObject). Simple types turn into simple getters and setters with the correct java type. For example getName might return a String. * XmlCursor From any XmlObject you can get an XmlCursor. This provides efficient, low level access to the XML Infoset. A cursor represents a position in the XML instance. You can move the cursor around the XML instance at any level of granularity you need from individual characters to Tokens. * SchemaType XMLBeans provides a full XML Schema object model that you can use to reflect on the underlying schema meta information. For example, you might want to generate a sample XML instance for an XML schema or perhaps find the enumerations for an element so that you can display them. All of this was built with performance in mind. Informal benchmarks and user feedback indicate that XMLBeans is extremely fast.

Categories: xml

Languages: Java

Apache ZooKeeper
Apache ZooKeeper is an effort to develop and maintain an open-source server which enables highly reliable distributed coordination.

Categories: database

Languages: Java

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