pklucky.neocities.org
I don't know if this works outside of paid Office 365, but Excel online has collaborative editing (and you can link it to the desktop app if you're signed in and stuff)
Cryptpad if you don't mind some small jank whilst using it. It's basically google drive but less intrusive
I don't know if this works outside of paid Office 365, but Excel online has collaborative editing (and you can link it to the desktop app if you're signed in and stuff)
Cryptpad if you don't mind some small jank whilst using it. It's basically google drive but less intrusive