

It’s entirely web-based (their desktop app uses electron). It is quite good, has no problems with editing Microsofts shitty formats and offers a feature set on the level of office 356 web.
Downside: made by a Russian company which has since re-incorporated in Singapore I think.
I mean yeah, it exists, but have you tried using calligra for anything productive? It is missing so many basic features and has lots of annoying bugs.