Open Source Note-Taking Tools using Esbuild
A curated collection of the best open source apps for capturing and organizing notes, from plain-text and markdown editors to linked notebooks that sync across devices. using Esbuild.
Encrypted note-taking that syncs across all your devices
Stars
56,481Last commit
15 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
45,053Last commit
11 hours 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:
Local-first, Git-native personal knowledge base with AI
Stars
19,892Last commit
18 hours agoLicense
AGPL-3.0
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:
Zero-knowledge encrypted notes that sync across all devices
Stars
14,636Last commit
11 hours agoLicense
GPL-3.0
End-to-end encrypted note-taking app with zero-knowledge architecture, cross-device sync, web clipper, and a self-hostable sync server.
Open Source Alternative to:
AI-Powered Note Taking App
Stars
11,036Last commit
30 days agoLicense
GPL-3.0
The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.
Open Source Alternative to:
Programmable notes with queries, Lua scripting, and wiki links
Stars
6,156Last commit
12 hours agoLicense
MIT
A self-hosted, browser-based note-taking system that turns plain Markdown pages into a queryable, scriptable knowledge base you control.
Open Source Alternative to:
Docmost – Open-source wiki software with real-time collaboration, diagrams, AI, SSO, RBAC permissions and more.
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