Open Source Note-Taking Tools using Paddle

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 Paddle.

Zero-knowledge encrypted notes that sync across all devices

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:

Capture

Capture screenshots, generate PDFs, scrape content, extract metadata, and automate browsers with one API.