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Open Source Projects tagged "Obsidian"

A curated collection of the best open source projects tagged "Obsidian". Each listing includes a website screenshot along with a detailed review of its features.

Joplin

Encrypted note-taking that syncs across all your devices

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55,282
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6,151
Last commit
1 day ago

Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.

Open Source Alternative to:

Obsidian

SiYuan

Privacy-first knowledge management with block-level linking

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44,518
Forks
2,842
Last commit
10 hours ago

Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.

Open Source Alternative to:

Notion

Khoj

AI second brain for research, automation, and personal agents

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35,213
Forks
2,254
Last commit
3 months ago

Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.

Open Source Alternative to:

Claude

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