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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Personally I can't recommend it, and I'll likely migrate away soon.
Proton VPN is the only part that I'm really happy with, it has always just worked for me whenever I needed it, but I don't use it that often.
Proton Mail is underdeveloped. I constantly run into missing features and general pain. Once I lost a really huge email draft I was writing because of some connectivity/sync issues and there was no option for recovery, even though I was sure the contents were still in memory somewhere, just inaccessible. I had to rewrite that from scratch.
Proton Drive is iffy. One of my main uses for it is to back up my photos and videos from my Android phone, and this could really be improved. There is no option to delete the local copy to free up space on the device, you have to do that manually and double-check that each thing you delete is actually backed up, which is tedious. Long videos (20+ minutes) fail to upload at all and crash the app with a memory leak, last I tried it. Photos and videos aside, as cloud storage it has generally worked for me, but as I use Linux I can only use it through a web browser, so there's no option to sync a folder. This is by far the biggest complaint users have - that they need to make a Proton Drive client for Linux.
All of these issues, I have brought up with Proton support and they have never made any improvements or fixed.
Proton Calendar also feels undercooked, I don't have more details on that except that it's more bothersome to use than calendar apps I've used in the past. There is no agenda view that spans multiple days, for instance.
SimpleLogin is great, but it wasn't actually developed at Proton, instead was just bought up by them. Nevertheless, I use it a lot and will likely keep a standalone subscription to it in the future.
I have not used their office suite alternatives, but it's very surprising and alarming that they can't open LibreOffice files which are an open standard.
When I do eventually move away, I intend to use Tutanota for email and calendar (hopefully it fares better), and any reputable Nextcloud provider for Drive.
FYI you can use rclone. Proton Drives client apps suck. The fact you can't even edit a txt file is grossly incompetent.
Never had any issues with mail or VPN, and simplelogin is awesome.
Trial rclone first. I tried it a few months back and there were too many issues with the proton drive adaptor so I went to filen.io .