Free protocol analyzer software software for windows

MSNProtocol Analyzer (MSNPAnalyzer) is a network tool that can monitor (or capture, monitor) the sessions of MSN Protocol.
If you use this program in conbination with SwitchSniffer program, you can capture and see all the MSNP sessions including conversations and MSN commands.
Main features:
- MSNPAnalyzer can monitor 2 NICs or more at once.
- MSNPAnalyzer can show MSN commands and the procedures of connection.
- MSNPAnalyzer enables you to see all the conversions on the network.
- If MSNPAnalyzer is used in conbination with SwitchSniffer program, You can capture all see all the MSN protocols and conversations.
- It is very easy to make MSNPAnalyzer to work. Just run MSNPAnalyzer on any computer on your network, and start to monitor.
- MSNPAnalyzer parses, decodes, analyzing MSN protocol in real-time.
- MSNPAnalyzer enables you to viewing the contents, commands and sessions of MSN protocol on-the-fly

HTTP Protocol Sniffer and Analyzer is a software tool that will capture and analyze all communications over the HTTP protocol made by a program application.
HTTP Protocol Sniffer and Analyzer supports all todays browsers and their plugins, as well as works with your own software.

ProtocolReader 1 is considered as a flexible and effective protocol analyse tool for parsing and displaying received binary messages.

With an easy-to-use interface and programable kernel, it can support variety of protocols such as IP based protocols(TCP,UDP, RTP, etc), Telcomunication rotocols (MTP3,ISUP,TUP, etc), or you can define new custom decoders of non-standard or rare protocols.

Unlike other protocol analyzer tool, they provide advanced features to meet future needs, not only for standard protocols, but also for user-defined protocols . Instead of waiting long time for a new protocol decoder to be released, you can easily write a script to support new protocols in a incredible short time by yourself.

Requirements: Windows 98/Me/NT/2000/XP/2003 Server/Vista