I'm telling you, bro, we are totally working on that Linux client, bro, just give us a few more years, bro.
this post was submitted on 29 Jan 2026
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Proton Mail is the world's largest secure email provider. Swiss, end-to-end encrypted, private, and free.
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Proton Calendar is the world's first end-to-end encrypted calendar that allows you to keep your life private.
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from the team:
When thinking about how Proton Drive apps interact with our backend, our goal was to deliver faster, more reliable file operations across all platforms.
So today, we wanted to share a progress update on the Proton Drive SDK and what it unlocks next.
Behind the scenes, the SDK now powers core file operations across all Proton Drive apps - Windows, macOS, Android, iOS, and web - giving us a shared, more robust foundation instead of separate implementations per platform.
Improvements
By rebuilding Drive’s most performance-intensive code in the SDK, we’ve already delivered major gains: up to 60% faster uploads on iOS, and up to 30% faster uploads and 70% faster downloads on web, with better reliability on unstable networks.
Support
What does the SDK support right now? Currently, it supports core file operations such as uploading and downloading, creating folders, renaming and moving items, and deleting or restoring files. Authentication and Proton-specific modules aren’t supported yet, so it’s best suited for contributors and early experimentation.
CLI
To cover workflows not yet supported by the SDK, we’re also building CLI tools. These will let you run common Drive commands and build on top of them without reverse-engineering Proton Drive. We’re aiming to release these next quarter.
What's Next?
Looking ahead to 2026, we’ll migrate all existing Drive features to the SDK and build new ones on top of it — including faster encryption with hardware acceleration, expanded SDK capabilities, a clearer integration path, and a Linux client.
Read the full update: https://proton.me/blog/drive-sdk-january-2026
Stay safe,
Proton team
Seriously, wtf is their problem? I've been very happy with their VPN support on Linux. Clearly Drive is a whole different animal. SpiderOak has had their Hive integration with Linux for many many years. Still works now. WTF Proton? Why wouldn't Linux integration be a priority for a company that claims to be all about privacy and security?
I think they realized they can just ride the wave of promises for years. It was the same with their android apps - they promised to share the source code of proton calendar for android "soon". It took them... A few years, I think. Recently, they did similar thing with their new Lumo AI. Big talks about open source, yet no source code shown. People don't pester them about these things that much, so it's basically free publicity.
I hope a Linux client actually happens, and isn't pushed back even further. I've been with Proton since their beta test days, and I just want Proton Drive on Linux. :(
I'm currently using Koofr which provides seamless backup between devices. I'm sure it may not be as secure as Proton Drive but it works so well. Proton Drive support for Linux is a big want for me.
No Linux support, thanks for the awesome news. /s
I'm kind of curious as to what I could do with Proton Drive SDK.
It will allow people to build clients to sync to and from Drive. At least that is the primary thing I see.
Would also allow people to build clients to view the files.
Now I think there's a fair argument they should just make that, and maybe they will because this work seems to be necessary anyway to make that happen to some degree, but only time will tell.