[zfg]

An alternative to Microsoft Office is LibreOffice. It's pretty good:

https://www.libreoffice.org/

[blackeyeblitzar]

There’s also Zoho for those seeking an online productivity suite:

https://www.zoho.com/workplace/office-productivity.html

And it seems like Proton is working on a privacy first office suite, which is exciting:

https://proton.me/drive/docs

https://proton.me/blog/docs-proton-drive