Proton
Empowering you to choose a better internet where privacy is the default. Protect yourself online with Proton Mail, Proton VPN, Proton Calendar, Proton Drive. Proton Pass and SimpleLogin.
Proton Mail is the world's largest secure email provider. Swiss, end-to-end encrypted, private, and free.
Proton VPN is the world’s only open-source, publicly audited, unlimited and free VPN. Swiss-based, no-ads, and no-logs.
Proton Calendar is the world's first end-to-end encrypted calendar that allows you to keep your life private.
Proton Drive is a free end-to-end encrypted cloud storage that allows you to securely backup and share your files. It's open source, publicly audited, and Swiss-based.
Proton Pass Proton Pass is a free and open-source password manager which brings a higher level of security with rigorous end-to-end encryption of all data (including usernames, URLs, notes, and more) and email alias support.
SimpleLogin lets you send and receive emails anonymously via easily-generated unique email aliases.
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I use proton stuff on linux. Vpn works, email works with a kludge called protonmail-bridge, drive only works via browser interface which is a hassle because it can't be automated. Password manager works as a firefox extension. I don't use calendar or contacts. Happy customer.
rclone has support for Proton Drive. It's in beta I think. Unfortunately Protons API isn't published so rclone's implementation is a reverse engineered one and may not be reliable long term.
Also disclaimer: I haven't tried out rclone. Haven't had time to set it up yet
I find it strange that they don't have any published API docs. What's the strategy?