Viking is a free/open source program to manage GPS data
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Firewall log analyzer
A lexical analyzer generator that makes the class source code.
Generator of lexical analyzers in C and C++. Unicode Supported.
PyRPL turns your Red Pitaya into a powerful analog feedback device.
We no longer host here. Please use https://www.wireshark.org
...has moved to packetpeeper.org
Image Stack Analyzer
C and C++ control flow graph generator and analyzer
Zwicker's Loudness Calculation (ISO532B) Tools