Downloading tnv 1.0 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The software belongs to Developer Tools. This program's bundle is identified as tnv. The most popular version of the program is 0.3. The actual developer of this free Mac application is John Goodall.
From the developer:
tnv (The Network Visualizer or Time-based Network Visualizer) depicts network traffic by visualizing packets and links between local and remote hosts.
tnv is intended for network traffic analysis to facilitate learning what constitutes 'normal' activity on a network, investigating packet details security events, or network troubleshooting. tnv can open saved libpcap (from tcpdump, windump, ethereal, etc.
You may want to check out more Mac applications, such as Witango 6, WitangoStudio or MySQLman, which might be related to tnv.