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3proxy vs Squid: catalog facts
3proxy	Squid
Free Free and open source.	Free Free and open source under the GNU GPL; donations accepted.
Windows, Linux, Self-hosted, Command line	Windows, Linux, Self-hosted
HTTP, SOCKS and port mapping in one small server Runs on routers through an OpenWrt package	Caching that reduces bandwidth use Extensive access control rules
Configured through text files with no graphical interface Takes some networking knowledge to set up securely	Configuration is large and takes time to learn Heavier than minimal proxies for simple forwarding
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License not stated	License: GPL
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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