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adblock-lean vs Adblock Fast: catalog facts
adblock-lean	Adblock Fast
Free Free to download and use.	Free Free and open source.
Linux, Command line	Self-hosted
Runs directly on the router, no extra hardware Supports Hagezi blocklists and local lists	Very low memory use on small routers Works with several DNS resolvers
Only works on OpenWrt Configured from the router shell rather than a web interface	Requires a router running OpenWrt Small project with a limited user base
Downloadable app	Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
No account needed	No account needed
Not stated if it 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 September 24, 2026

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