
Notesnook
A fully open source and end-to-end encrypted note taking alternative to Evernote.

About Notesnook
Notesnook is an open-source note-taking app focused on user privacy and ease of use. It is presented as an alternative to Evernote. Its repository contains the code needed to build and use the web, desktop and mobile clients. The project says it encrypts everything on your device using XChaCha20-Poly1305 and Argon2 to follow zero-knowledge principles.
Pricing is not clearly stated.
Key features
- Web clipper for saving web pages
- Importer for moving data from other apps
- Shared core package used across all platforms
- Links to a resource for checking the encryption claims
- Full feature list and screenshots are on the separate website
Notesnook at a glance
- Category
- Productivity › Notes & Knowledge Management
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Web, Android, iOS
- Details verified
- Oct 21, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Notes & Knowledge Management

Notesnook alternatives
Tools and sites you could use instead, ranked by how closely they match.
SiYuan offers a self-hosted knowledge workspace described as open-source and privacy-first, with collaboration for people and AI agents.
Note Discovery describes itself as a self-hosted knowledge base, according to its repository page.
Trilium Notes supports building a personal knowledge base, as described by the project page.
Memos provides a self-hosted timeline for short notes, which users can later find by search, tag, or date.
SilentNotes synchronizes notes between Android and Windows devices, according to its repository description.
Take notes and sync them across Windows, macOS, Linux, Android, and iOS using Joplin, the privacy-focused note-taking app.
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