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TcpLogView vs Picosnitch: catalog facts
TcpLogView	Picosnitch
Free Freeware from NirSoft; free to use and redistribute unmodified at no charge.	Free Free, with source code published on GitHub.
Windows	Linux
Keeps a history of connections rather than only a live view Shows the process behind each connection	Alerts on new connecting or modified programs Per-executable bandwidth history with several breakdowns
Works by snapshots, so very short connections can be missed Full process information needs running as administrator	Linux only Monitors and logs traffic but does not block it
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.