Directory
Published directory entries matching your search.
A page listing email applications across Windows, macOS, Android, iOS, Linux, browser plugins and webmail providers that support the OpenPGP standard, either directly or with additional software. The page states that its authors do not actively participate in developing these third-party apps and have not performed security audits.
Find and publish OpenPGP public keys.
Mailfence is a secure and private email service that provides encrypted email protected by Belgian privacy law. It includes calendars, documents, groups, and tools for managing OpenPGP keys and digital signatures.
addy.io is an open-source anonymous email forwarding service. It creates email aliases that forward to a real inbox, letting users give each website a different address and deactivate aliases that begin receiving spam. The service offers mobile apps, a browser extension and GPG/OpenPGP encryption.
Conversations is an open source XMPP/Jabber client for Android. It offers end-to-end encryption with OMEMO or OpenPGP, file and image sharing, encrypted audio and video calls, private group chats and public conferences, multiple accounts and location sharing, with a Material Design 3 interface. Some features require server support.
Dino is an open-source chat client for the desktop built on the XMPP protocol. It offers a clean interface with encryption; end-to-end encryption via OMEMO or OpenPGP can be enabled, and read and typing notifications can be disabled. Dino is developed on GitHub by an open community and is available from repositories of many Linux distributions.
EncryptPad is an application for viewing and editing symmetrically encrypted text and for encrypting and decrypting binary files. It uses the OpenPGP format and focuses on symmetric encryption, offering both graphical and command line interfaces.
GnuPG is a free implementation of the OpenPGP standard, allowing users to encrypt and sign data and communications. It includes a key management system, access modules for public key directories, and support for S/MIME and Secure Shell. It is a command line tool with frontend applications and libraries available, and it can be freely used, modified and distributed under the GNU General Public License.
GPG Suite is a macOS package that includes GPG Mail, GPG Keychain, GPG Services and MacGPG for OpenPGP key management. GPG Mail 8 for macOS Golden Gate is in beta and requires an active GPG Mail 7 Support Plan; from GPG Mail 8 the Support Plan becomes a yearly subscription. Some features are still missing.
Gpg4win is the GNU Privacy Guard for Windows, described as Free Software for file and email encryption. It supports both OpenPGP and S/MIME (X.509), and includes tools for signing and encrypting single files or complete folders directly from Windows Explorer and for signing and encrypting emails.
Monocles mail is a secure and open source e-mail client for Android, described as a fork of K-9 mail that keeps the known functions of K-9 mail with some UI updates. It supports multiple accounts, a unified inbox, local and server-side search, and OpenPGP email encryption. The source states it is privacy-friendly, with no tracking and only connecting to the user's email provider.
Yopass is an open-source tool that encrypts secrets in the browser using OpenPGP before anything leaves the user's machine. The server stores only ciphertext and never sees plaintext. Secrets self-destruct after retrieval or when their configured expiration passes. It is free to self-host.
