https://framapad.org/abc/ (this organisation has a lot of FLOSS cloud alternatives to Google products)
https://cryptpad.fr/
Unfortunately it seems there is only text editing, not spreadsheets or forms (those I use a lot)
But I'll look into it, and probably transfer my docs there
It is important to use user respecting software when we can :)
https://framapad.org/abc/ (this organisation has a lot of FLOSS cloud alternatives to Google products)
https://cryptpad.fr/