LibreOffice still includes some Java code, which creates performance bottlenecks. And, as u/Hawke points out, OnlyOffice and Euro-Office are web/cloud based, enabling better collaboration and more dependable access and storage.

Dunnn dun-dun-da dunn dun-dun-da dunn dun da dunn da dunn dun dunnn…

Nnnothing?

It’s not connected to LibreOffice in any way, though, aside from the first five letters of their names.

LibreOffice: “Am I a joke to you? Actually, don’t answer that.”

Nor where.