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Blocky vs NxFilter: catalog facts
Blocky	NxFilter
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free for all uses, including commercial ones.
Windows, macOS, Linux, Self-hosted, Command line	Self-hosted
One small binary with no database, ideal for containers and small boards Per-client and per-group blocking rules, with encrypted upstream resolvers	Per-user policies and reports with Active Directory integration Screen time control and data caps
Configuration is YAML only; there is no built-in administration interface	Not open source More setup than needed for a single household
Self-hosted	Downloadable app, Self-hosted
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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