​​CryptPad

CryptPad is a collaboration package with end—to-end encryption and open source.

CryptPad includes all the tools you need for productive collaboration: spreadsheets, text, presentations, forms, an interactive whiteboard and much more...

All data on Cryptopad is encrypted in the browser. This means that no readable data leaves the user's device. Even the administrators of the service cannot see the contents of documents or user data.

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