Best Open Source Alternatives to Guru

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

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

Guru

Proprietary SaaS

PricingFreemium

Platformsweb, mobile, desktop

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Guru alternatives compared

Open-source alternatives to Guru, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Outline	41,143	BSD-3-Clause	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
Wiki.js	29,142	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
BookStack	19,122	MIT	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit

Top open-source Guru alternatives

Outline41,143BSD-3-Clause

Outline is a fast self-hosted team wiki replacing Confluence with markdown editing, real-time collaboration, and instant search on your own servers.

LinuxmacOSWindowsDockerWeb

vs Guru: a free, open-source option you fully control, licensed BSD-3-Clause.

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Wiki.js29,142AGPL-3.0

Wiki.js replaces Confluence with a self-hosted team wiki featuring Git storage sync, multiple editor engines, and full database control on your servers.

LinuxmacOSWindowsDockerWeb

vs Guru: a free, open-source option you fully control, licensed AGPL-3.0.

Visit Details

BookStack19,122MIT

BookStack is a self-hosted wiki that replaces Confluence with an intuitive shelf-and-book hierarchy, native LDAP and SAML SSO, and embedded diagramming.

LinuxmacOSWindowsDockerWeb

vs Guru: a free, open-source option you fully control, licensed MIT.

Visit Details

Best Open Source Alternatives to Guru

Guru

Guru alternatives compared

Top open-source Guru alternatives

The modern standard for Protobuf workflows

Mentoring for backend developers. Consulting for startups.