Free & Open-Source Quad9 (managed) Alternatives

Privacy-focused DNS service.

1. Pi-hole ↗ FOSSPRIVATESELF-HOST
   DNS-based ad blocker for your whole network.
   ●●○Medium · Requires self-hosting
2. AdGuard Home ↗ FOSSPRIVATESELF-HOST
   Network-wide ads + tracker blocker.
   ●●○Medium · Requires self-hosting
3. Technitium DNS ↗ FOSSPRIVATESELF-HOST
   Full DNS server with web GUI.
   ●●○Medium · Requires self-hosting