Pure Java Network Tools
Serial <-> TCP/IP, Serial <-> UDP/IP, TCP/IP <-> UDP/IP
Create nested tunnels through HTTP proxies
An universal TCP client.
A benchmark suite for reliable testing of IP networks.
Robust and flexible VPN network tunnelling
System for anonymous Web browsing
dhcpy6d is a server for IPv6 DHCPv6 written in Python.
Bringing intranet on the internet with Zero-Config Mesh VPNS.
Access policy manager for Squid 3 cache server
A free Usenet server with SQL backend and RBAC.
An open source solution to application performance monitoring for java
High performance, production quality STUN server and client library
Snare Enterprise: bit.ly/Snare-Trial