Crossbar.io - WAMP application router
Java-based ONC/RPC implementation
Front-end performance monitoring and user analytics platform
A P2P filesharing client which connects to the Gnutella network.
Serial <-> TCP/IP, Serial <-> UDP/IP, TCP/IP <-> UDP/IP
A simple vanilla JavaScript router
Java SSH API
The open source grid computing solution
Java asynchronous socket library
A client for the MikroTik RouterOS API protocol, written in PHP.
Lightweight fully extendable client/server application framework
Various TCP/IP servers, clients and network management tools
Highly configurable SNMPv1/v2c/v3 application-level proxy
Portable DHCPv6 implementation
A free high-performance alternative to TCP sockets
A BloodBank Administration Software
A XMPP robot for Nagios(tm) notifications and interaction.