Pure Java Network Tools
tcptrace analyzes packet tcp connections and provides analysis
The open source grid computing solution
Hexadecimal and raw packet injector and sniffer.
Lightweight fully extendable client/server application framework
A SNMP agent for Cacti
Build custom filter for your network based off of common communication
Free Accountability Software
Recursive mapping/discovery of network devices via CDP/OSPF
displays network protocol headers in uniform RFC like format
Easy-to-use C++ library for various SNMP tasks
A multi-platform group communication framework for smartphones