Open-source alternatives to Cisco Umbrella

Cisco Umbrella in the IT, security & identity category. These are the open alternatives we recommend looking at.

Technitium DNS Server

Self-hosted DNS server with support for encrypted DNS and ad blocking.

GPL-3.0Strong copyleft

SaaS: YesClosed product: No

GitHub stars
10k
Deployment
Server

Pi-hole

Network-wide DNS server that blocks ads and trackers.

EUPL-1.2Strong copyleft

SaaS: YesClosed product: No

GitHub stars
61.1k
Deployment
Docker

AdGuard Home

DNS server that blocks ads and trackers for every device on the network.

GPL-3.0Strong copyleft

SaaS: YesClosed product: No

GitHub stars
37.2k
Deployment
Docker

Blocky

Fast DNS proxy that blocks ads on the local network.

Apache-2.0Permissive

SaaS: YesClosed product: Yes

GitHub stars
7k
Deployment
Docker

This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.

Sign in for more

  • Full licence analysis per use case (self-hosting, modifying, hosted service, AI use)
  • Save products to your own lists
  • Systemkarta: map the tools you already use (coming soon)
  • Personal help and AI advice (coming soon)
Sign in for free