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pfBlockerNG vs Adblock Fast: catalog facts
pfBlockerNG	Adblock Fast
Free Installed as a package within pfSense software; the documentation lists no separate…	Free Free and open source.
Self-hosted	Self-hosted
Network-wide IP and DNS blocklists from the firewall Country and IP range blocking	Very low memory use on small routers Works with several DNS resolvers
Only runs on pfSense Many options make setup involved for newcomers	Requires a router running OpenWrt Small project with a limited user base
Self-hosted	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 September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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