OpenThread released by Google is a thread networking protocol
Reliable & unreliable messages over UDP
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
Universal server
SKUDONET Open Source Load Balancer
A microkernel-based multiserver operating system written from scratch.
Simple software for port forwarding and routing w/o a hardware router
Advanced Network Packet Generator
High performance, production quality STUN server and client library
Windows tool for monitoring and configuring your network adapters
A java packet sniffer and forger that wraps pcap libs.
Portable DHCPv6 implementation
network control and reporting
Pre-Alpha Console distro for high performance Linux computing.
BGPHist stores MP-BGP updates activity and history into a database.
The network calculator with many tools for IPv4,IPv6
A distance vector routing protocol based on delay for IPv4 & IPv6