Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- F-Droid
United States




Apps similar to GnuPG include Cryptomator, which is open source with a free version. Other options are GPG4Win, Kleopatra, OpenKeychain and OpenPGP. File Encryption Software like GnuPG are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.




Encrypt or decrypt files and folders from the menu bar or in Finder. Touch ID, AES-256-GCM, and no cloud dependency.



Encrypt your files and folders on Windows — completely offline, no cloud, no account. Share safely with trusted contacts, or send to anyone as a self-extracting file, even if they don't have the app.




OneTime is an open source encryption program that uses the one-time pad algorithm to allow two parties to communicate privately. It has features to assist with the bureaucracy of pad management, and comes with built-in help. OneTime requires Python 2.