I love that it loads up really fast, compared to LibreOffice which is slow as molasses to start up.

LO has way more features though, it's not even a fair comparison. And something that ticks me off about Calligra and OnlyOffice is that they can't do partial word counts, as in the word count of the highlighted portion of the document only. Small things like these sting more than more niche features that you might not miss.

Still, it's nice looking and fast and adequate for a lot of basic documents.