Apps with 'GPG PGP Compatibility' feature

E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).

App to sync encrypted emails from Proton Mail with desktop email clients such as Mozilla Thunderbird, Apple Mail, and Microsoft Outlook.

Lock is a graphical front-end for GnuPG (GPG) making use of a beautiful LibAdwaita GUI.

Autocrypt is a set of guidelines for developers to achieve convenient end-to-end-encryption of e-mails. It specifies how e-mail programs negotiate encryption capabilities using regular e-mails.

git-crypt enables transparent encryption and decryption of files in a git repository. Files which you choose to protect are encrypted when committed, and decrypted when checked out. git-crypt lets you freely share a repository containing a mix of public and private content.

With Pignus you can encrypt and decrypt your Messages and Documents and send them to your Contacts. Simply create your Profile in Pignus, share it with your Contacts, and then encrypt for them.