Protonmail's email encrypted in the browser! Their client is open source: https://github.com/ProtonMail/WebClient https://github.com/ProtonMail/WebClient It

Protonmail's email encrypted in the browser! Their client is open source: https://github.com/ProtonMail/WebClient https://github.com/ProtonMail/WebClient It is main reason to use ProtonMail over Gmail.