Discourse Network Analyzer (DNA)
Automated Forensic Analysis of Windows Memory Dumps for DFIR
A Swiss army knife for your daily Linux network plumbing
Firewall log analyzer
Anti-Spam SMTP Proxy Server implements multiple spam filters
Far Manager plug-ins
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open Source Integrated Hospital Information Management System
FlowViewer is a web-based netflow data analysis tool.
A real-time network visualizer for Windows-based on the Linux version
pgBadger is a PostgreSQL log analyzer built for speed.
Ethercat analyzer. Pcapng (by wireshark) to cvs files converter.
A PHP search engine for your website and web analytics tool. GNU GPL3
basic networking tools
Strong Email & Apache Log Analysis with Active Security Features
Blue Print is a remote access, cross-platform hex editor/data analyzer
free netflow analyzer
Tranalyzer flow generator packet analyzer moved to: tranalyzer.com
An open source real-time network topology and protocols analyzer
Network sniffer which a similar to WireShark with sending own packets
PyRPL turns your Red Pitaya into a powerful analog feedback device.
Very Tiny Palmtop Vector Network Analyzer