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Blocky vs Stubby: catalog facts
Blocky	Stubby
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the BSD licence.
Windows, macOS, Linux, Self-hosted, Command line	Windows, macOS, Linux, Command line
One small binary with no database, ideal for containers and small boards Per-client and per-group blocking rules, with encrypted upstream resolvers	Encrypts the last mile of DNS for the whole machine, not just one browser Strict profile refuses to fall back to unencrypted DNS
Configuration is YAML only; there is no built-in administration interface	Configuration is a YAML file with no interface Only protects the path to the resolver; the resolver still sees your queries
Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: BSD-3-Clause
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 22, 2026

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