Notesnook: Private note taking

Notesnook is an open source private notes app and organizer. It is fully cross-platform. Download it on all your devices for free. Sync notes between your computer, tablet and mobile seamlessly.

With Notesnook, note taking is a simple and easy task. Just like opening a physical notebook and writing notes down.

A notes app to protects your privacy
With military grade encryption, no one can ever read your secret notes except you. We use XChaCha20-Poly1305 & Argon2 encryption algorithms that are stronger & safer than AES256, impenetrable & future-proof. A level of security and privacy that is rare in note taking apps.

Encrypted and private by default
You do not need to press any button or enable anything for encryption to work. Your privacy is our primary concern. By default all notes are encrypted and securely stored on our servers. We can't read or open your notes even if we want to.

Sync notes to all devices
Sync notes in a safe and secure way. All your notes are encrypted on your device and synced so no matter what device you use, you always have access to what you write and journal in notepad.

Locked notes with vault
Double encrypt your notes with vault. Locked notes require password on open and are encrypted at rest.

Notepad & Diary with lock
A private diary with lock. App lock let's you lock notes with fingerprint and even lock the app so no one has access except you. A truly personal, safe & private diary with password so you can journal and write secret notes.

To-do lists & Tasks
Get things done with to-do lists and tasks. Create to-do lists to get things done. Keep track of your daily progress in to-do lists and accomplish daily tasks.

Private journal and diary
Journal your life in our private diary. Add photos & videos to your journal. Record your daily emotions and activities in your diary. Keep online journal safe with password. Anything you write or express is secure with military strength encryption. Take your journal always.

Rich and powerful notes editor
Simple notes on notepad or writing a complex document. Our notes editor supports rich editing. It allows basic formatting and editing notes. Make to-do lists and bulleted lists. Add images and embed videos in notepad & add tables and links

Markdown editor
Use markdown in notes editor. Use all markdown shortcuts and write markdown notes. Add headings, links, lists & more with markdow