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Open Source Load Balancing Solutions

There are plenty of open source tcp load balancing software.

HAproxy
site: http://haproxy.1wt.eu/

Linux Virtual Server
site: http://www.LinuxVirtualServer.org/

Linux Network Load Balancing
site: http://lnlb.sourceforge.net/

Distributor Load Balancer
site: http://distributor.sourceforge.net/

Balance
site:http://www.inlab.de/balance.html

Load Balancer Project
site: http://www.jmcresearch.com/projects/loadbalancer/

Pen
site: http://siag.nu/pen

Zen Load Balancer
site: http://zenloadbalancer.sourceforge.net/

Crossroads
site: http://crossroads.e-tunity.com/

Core Balance
http://core-balance.sourceforge.net/
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