Event-driven networking engine written in Python
TraceMAC is a command-line Layer 2 traceroute for Cisco switches
Pure Java Network Tools
A free Usenet server with SQL backend and RBAC.
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
Various TCP/IP servers, clients and network management tools
Recursive mapping/discovery of network devices via CDP/OSPF
A modular IP router for Linux platforms
Show server load-average chart and run pre-define command remotely
A collection of network-oriented tools