CryptPad is a privacy-friendly free open source online office suite, you can follow at:
It can be self-hosted, or you can use the official instance. More info available at https://cryptpad.fr
It's collaborative and anonymous with "zero knowledge" encryption, so no one can access your data except you and those you choose to share with.
I talked to Aaron from Cryptpad as part of my #WeDontStream podcast - a great tool I really hope it grows and gets more users https://www.jamesmullarkey.com/2020/11/imagine-google-docs-but-without-the-spyware-with-aaron-macsween/
This is a brand new server run by the main developers of the project as a spin-off of mastodon.social It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!