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Squid vs E2Guardian: catalog facts
Squid	E2Guardian
Free Free and open source under the GNU GPL; donations accepted.	Free Free to download and use.
Windows, Linux, Self-hosted	Linux, Self-hosted
Caching that reduces bandwidth use Extensive access control rules	Proxy, transparent and ICAP modes Filters on content, not only domain names
Configuration is large and takes time to learn Heavier than minimal proxies for simple forwarding	Needs a Linux server and proxy configuration knowledge Filtering encrypted traffic requires extra setup
Downloadable app, Self-hosted	Self-hosted
Open source	Closed source
License: GPL	License not stated
No account needed	No account 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 October 2, 2026

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