Best Open Source Alternatives to Cisco Umbrella

Compare the best free and open-source alternatives to Cisco Umbrella — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 3 alternatives

Cisco Umbrella

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Platformsweb, linux, macos, windows, android, ios

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Cisco Umbrella alternatives compared

Open-source alternatives to Cisco Umbrella, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Pi-hole	60,161	EUPL-1.2	LinuxDocker	Yes	Aug 2026	Visit
AdGuard Home	35,846	GPL-3.0	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit
Unbound	4,751	BSD-3-Clause	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit