20 free software favorites

Freeware applications and open source software that provide IT managers with great tools at no cost

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Network protocol analyzer Wireshark, which was formerly named Ethereal, works on Windows, Linux, OS X and Unix platforms to allow network managers to examine protocol data from a live network or from a capture file on disk. Key features: Wireshark is freely available open source software that provides deep inspection of hundreds of protocols, examines VoIP application traffic and performs live data capture with offline analysis.

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