Open Source Note-Taking Tools using Testing Library
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 Testing Library.
Encrypted note-taking that syncs across all your devices
Stars
56,168Last commit
7 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:
Local-first, Git-native personal knowledge base with AI
Stars
19,632Last commit
7 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:
Distraction-free note-taking with powerful features
Stars
313Last commit
21 hours agoLicense
AGPL-3.0
A customizable, offline-first note editor that lets you format text, create lists, add images, and export to HTML - all while maintaining your privacy.
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:
Self-hosted sticky notes with better organization
Stars
30Last commit
23 hours agoLicense
MIT
A self-hosted, open-source note-taking app that keeps the Google Keep sticky-note feel while adding folders, timelines, list views, and import support.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
c15t