Open Source Personal Knowledge Management (PKM) Tools using Yarn
A curated collection of the best open source tools for organizing personal information and building knowledge graphs. using Yarn.
Encrypted note-taking that syncs across all your devices
Stars
56,045Last commit
19 hours agoLicense
Unknown
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:
Privacy-first knowledge base that connects your notes
Stars
44,553Last commit
1 day agoLicense
AGPL-3.0
Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain.
Open Source Alternative to:
AI second brain for research, automation, and personal agents
Stars
36,638Last commit
21 days agoLicense
AGPL-3.0
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:
Browser and notebook combined with local-first AI
Stars
3,532Last commit
5 days agoLicense
Apache-2.0
A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.
Open Source Alternative to:
Local-first notes app with no cloud, no AI, no tracking
Stars
1,331Last commit
20 hours agoLicense
MIT
A privacy-focused, offline-first note-taking app that stores everything on your device, with Markdown, note linking, file attachments, LaTeX math, and bring-your-own sync.
Open Source Alternative to:
Privacy-focused note-taking made simple and fast
Stars
67Last commit
7 months agoLicense
GPL-2.0
Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.
Open Source Alternative to:
Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.
InfluxDB