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NxFilter vs E2Guardian: catalog facts
NxFilter	E2Guardian
Free Free for all uses, including commercial ones.	Free Free to download and use.
Self-hosted	Linux, Self-hosted
Per-user policies and reports with Active Directory integration Screen time control and data caps	Proxy, transparent and ICAP modes Filters on content, not only domain names
Not open source More setup than needed for a single household	Needs a Linux server and proxy configuration knowledge Filtering encrypted traffic requires extra setup
Downloadable app, Self-hosted	Self-hosted
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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