I’ve been testing it and it seems like a good solution for general productivity and a great option for people migrating from MS. It’s open source and cross-platform, but I just don’t see it in any conversations about office software.
For me, it’s so far leagues beyond LibreOffice. I really need something that works on my phone and syncs across devices, and allows collaboration. OnlyOffice seems to fit the bill. It’s also far more intuitive to my preferences.
I am sure that some people wouldn’t like the fact that the interface runs as a webapp, or use of Java, but it’s strange to me that it’s not usually even in the conversation.
I use it, and it works fine. OpenOffice had a massive following before the LibreOffice fork so realistically most people moved there as a default option. Doesn’t mean Only office is bad, just that many FOSS users are more likely to use its competitors.