I run my own email server on a DigitalOcean instance in Amsterdam. I back my files up via rsync to a Time4VPS instance in Lithuania. I use Serif Affinity instead of Photoshop. I haven't shaken my reliance on Apple, because macOS, iOS, iCloud, Final Cut Pro X and Logic Pro X are just too good, but at least with Apple, I'm the customer and not the product. I have shared documents on Dropbox and Google Drive that need a new home. Maybe OwnCloud, but it doesn't seem to have live document editing.