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E2Guardian vs DNSFilter: catalog facts
E2Guardian	DNSFilter
Free Free to download and use.	Paid Commercial subscription service with a free trial.
Linux, Self-hosted	Web
Proxy, transparent and ICAP modes Filters on content, not only domain names	No hardware to deploy Content, threat and app filtering policies
Needs a Linux server and proxy configuration knowledge Filtering encrypted traffic requires extra setup	Built for organizations rather than individual home users Paid service after the trial
Self-hosted	Hosted service
Closed source	Closed source
License not stated	License not stated
No account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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