ProtonMail
Open Source
ProtonMail is an end-to-end encrypted email service.
Enigmail
Open Source
Enigmail is a data encryption and decryption extension for Mozilla Thunderbird and the SeaMonkey internet suite that provides OpenPGP public key e-mail encryp…
Posteo
Commercial
Posteo is an email service provider offering paid email accounts for individuals and businesses.
GPGMail
Open Source
GPGMail is an extension for Apple Mail that provides public key email encryption and signing.
Mailpile
Open Source
Mailpile is a webmail client with encryption and privacy features built-in. Mailpile is free and open-source software.
Mailvelope
Open Source
Mailvelope is a free software for end-to-end encryption of email traffic inside of a web browser (Firefox or Chromium) that integrates itself into existing we…
Mailfence
Freemium
Mailfence is a web-based email service that offers OpenPGP based end-to-end encryption and digital signatures.
