CryptPad is a realtime collaborative editor. CryptPad is an open technology that you can run on your own machines. It doesn’t rely on a central point of authority.
Make quick collaborative documents for taking notes and writing down ideas together.
CryptPad is private, not anonymous. Privacy protects your data, anonymity protects you. CryptPad will make everything you do undecipherable to the outside world before anything is sent to the service to be distributed among all the participants.
Key Features
- 100% client side encryption. Encryption carried out in your web browser protects the data from the server, the cloud and the NSA. It relies on the ChainPad realtime engine. Chainpad allows users to collaborate without the mediation of a central authority.
Website: github.com/cryptpad/cryptpad
Support:
Developer: XWiki SAS
License: GNU Affero General Public License either version 3 of the License, or (at your option) any later version

XWiki began developing CryptPad as part of a French research project.
CryptPad is written in JavaScript. Learn JavaScript with our recommended free books and free tutorials.
Related Software
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|---|---|
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| Foam | Personal knowledge management and sharing system |
| CodiMD | Realtime collaborative markdown notes taking inspiration from Hackpad |
| ProseMirror | Rich semantic content editor |
| CryptPad | Realtime collaborative editor |
| HedgeDoc | Create real-time collaborative markdown notes |
| Notes | Distraction free notes taking app for Nextcloud |
| Firepad | Full-featured text editor |
| Gobby | Supporting multiple documents in one session and a multi-user chat |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

