Don't know if there was a discussion about it, and i know it is a half solution, but AFAIK Libreoffice has an option to work as a web app. So someone set up a server and install the needed files, and then you can use libreoffice under MOS and OWB.

https://wiki.documentfoundation.org/Using_LibreOffice_in_a_Web_Browser

[ Edited by Derringer 12.02.2014 - 00:19 ]