Regarding OOo vs LOo, it's not so much a matter of opinion, but a demonstrable fact that OpenOffice has been essentially abandoned and has not had a significant release in over a decade (while #LibreOffice, the successor, has had over 23+ major releases since then).
Apache's #OpenOffice is not only buggier & less featureful, it's also considered a security risk to be using it.
The chart at https://en.wikipedia.org/wiki/OpenOffice.org#Forks_and_derivative_software and comparison at https://openhub.net/p/_compare?project_1=LibreOffice&project_0=Apache+OpenOffice show the staggering difference