Compare software

tproxy vs socat: catalog facts
tproxy	socat
Free Free and open source under the MIT licence.	Free Free and open source under the GPL.
Windows, Linux, Command line	macOS, Linux, Command line
Simple way to inspect TCP traffic between two services Shows connection statistics alongside traffic	Connects almost any pair of endpoints, including TLS and serial devices Handles forking servers and complex options netcat cannot
Some TCP statistics only work on Linux Command line only, with no graphical interface	The address syntax is dense and unforgiving The project site is served over plain HTTP only, so the repository is linked here instead
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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