Open Source Note-Taking Tools using Sentry
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 Sentry.
Encrypted note-taking that syncs across all your devices
Stars
56,949Last commit
16 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
45,428Last commit
14 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
20,404Last commit
14 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:
Private meeting notes, no bots, files you own
Stars
9,684Last commit
1 day agoLicense
MIT
Records system audio without joining your call, then turns rough notes into editable summaries. Audio, transcripts, and notes stay as local files.
Open Source Alternative to:
Private workspace for notes, tasks, and databases
Stars
9,025Last commit
8 days agoLicense
Unknown
A local-first, encrypted workspace for notes, tasks, databases, and chats. Your data stays on your device, syncs peer-to-peer, and never passes through a central server.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
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