I don't use it, but if you want to get serious about getting away from Google and you're into blockchain and decentralization, there is: https://arcaneoffice.co

I don't use it, but if you want to get serious about getting away from Google and you're into blockchain and decentralization, there is: https://arcaneoffice.com/ https://arcaneoffice.com/ Are the office/workspace features what you wanted to replace?