Free & Open-Source Cisco Umbrella Alternatives

Cloud-delivered DNS security.

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. Blocky ↗ FOSSPRIVATESELF-HOST
   Fast DNS proxy with blocklists for Docker.
   ●●○Medium · Requires self-hosting