Productivity Software
14.0k 2026-05-06
streetwriters/notesnook
A free, open-source, and end-to-end encrypted note-taking application designed as a privacy-focused alternative to commercial solutions.
Core Features
End-to-end encryption (XChaCha20-Poly1305 & Argon2)
Fully open-source with zero-knowledge principles
Cross-platform availability (Web, Desktop, Mobile)
Focus on user privacy and ease of use
Monorepo structure for client applications and shared packages
Detailed Introduction
Notesnook is a robust, open-source note-taking application that prioritizes user privacy through end-to-end encryption. It serves as a secure alternative to proprietary services like Evernote, ensuring that all user data is encrypted on the device before synchronization. Built with a commitment to zero-knowledge principles, Notesnook aims to provide peace of mind and 100% confidence in note security, proving that privacy doesn't have to compromise convenience across its web, desktop, and mobile clients.