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Open Source Collaborative Notes & Wikis using Testing Library

A curated collection of the best open source platforms for collaborative note-taking and building wikis. using Testing Library.

Affine

Docs, whiteboards, and databases in one privacy-first workspace

Stars
70,601
Forks
5,065
Last commit
11 hours ago

An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.

Open Source Alternative to:

Notion

Outline

Fast, collaborative wiki for teams who need organized docs

Stars
39,765
Forks
3,441
Last commit
15 hours ago

Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.

Open Source Alternative to:

Notion

Tolaria

Local-first, Git-native personal knowledge base with AI

Stars
18,746
Forks
1,284
Last commit
11 hours ago

A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.

Open Source Alternative to:

Obsidian

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