PC Surgeon 

PC Surgeon is a powerful tool that will diagnose, monitor and repair your Windows XP (NT,2000 supported) platform. Over 70 features and functions. Tools to recover passwords, recover deleted files and easily tune-up the whole system
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LinkFerret WEP Decrypter 

LinkFerret Off-Line WEP Decrypter is a convenient, easy to use 802.11 packet capture and analysis aid. Its use provides a more secure path to the post-mortem analysis of captured 802.11 data by network admins and other authorized personnel.
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Colasoft Capsa 

Easy-to-use network monitor and protocol analyzer designed for packet decoding and network diagnosis, helping network administrators troubleshoot network problems.
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LANView 

LANView is a powerful tool for LAN administration. It can rapidly gather the hosts' information in the network, With LANView, capturing and analyzing network packets real time would be convenient.
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