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AdGuard Home vs NxFilter: catalog facts
AdGuard Home	NxFilter
Free Free and open source under the GPL 3.0. AdGuard also sells a hosted AdGuard DNS service…	Free Free for all uses, including commercial ones.
Windows, macOS, Linux, Web, Self-hosted	Self-hosted
Acts as a DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC server itself One binary with a web interface, so installation is straightforward	Per-user policies and reports with Active Directory integration Screen time control and data caps
Run by a company that also sells blocking products, so the free tier is marketing Over-blocking breaks sites, as with any DNS blocker	Not open source More setup than needed for a single household
Self-hosted	Downloadable app, Self-hosted
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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