Notesnook
A privacy-focused note-taking app with end-to-end encryption, open-source clients, and cross-platform sync. Your notes stay private, secure, and under your control.
Notesnook is an open-source alternative to:
Notesnook is a privacy-first note-taking app designed to keep your personal data secure and private. Unlike traditional note apps, Notesnook ensures your notes are encrypted end-to-end, meaning only you can read them.
Key Features
- End-to-end encryption: All notes are encrypted before leaving your device, ensuring only you can access them.
- Cross-platform sync: Write on your laptop and finish on your phone with seamless, encrypted sync.
- Open-source: Every app and server component is open-source (GPLv3), allowing anyone to verify security and privacy.
- App lock: Protect your notes with fingerprint, PIN, or password.
- Rich text editor: Supports tables, checklists, code blocks, math formulas, and attachments.
- Web clipper: Save articles and web pages directly to your notes without ads or trackers.
- Published notes: Share a single note as a password-protected web page while keeping the rest private.
- Linked notes: Connect related notes for better organization and context.
- Markdown support: Write notes in Markdown for enhanced formatting.
Tech / Self-Hosting
Notesnook is fully open-source, with clients available for Windows, macOS, Linux, Android, iOS, and the web. The sync server is also open-source, allowing for self-hosting if desired. The project is built with privacy and security as core principles, making it a reliable alternative to mainstream note-taking apps.