Mail Desktop App Portable: Proton

for Proton Mail. It is often available in portable formats (like or AppImage) on SourceForge and GitHub. Progressive Web App (PWA) Shortcut

If you need the feel of a desktop app without a traditional heavy installation, you can use a or desktop shortcut. Introducing the Proton Mail desktop app proton mail desktop app portable

is a small application that decrypts your Proton emails on the fly and serves them to any local email client via localhost. The Bridge itself is not easily portable (it installs a service), but you can pair it with Portable Thunderbird . for Proton Mail