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I hate how Google Contacts and Calendar are so much superior to any other offer. I can easily find alternative to everything google except for those two. Especially true with Contacts I feel like I'm doxing everybody I add to it. I have tried many alternative, but nothing even remotely measure to it.
I personally find Gmail and Drive to also be superior offerings. The only problem I have with either is privacy. Gmail's integration with Drive and Calendar are really nice. It's a very mature web email app besides all that. It's not hard to find other email solutions, but in my experience they lack the polish and integration that makes Gmail so valuable. I have been looking for a good zero-knowledge cloud storage so…
Google drive doesn't work on Linux so it's a non-starter for me. Have you looked at PCloud and Dropbox?