For some context, let's look at the read-only github mirrors of each project and see how much work has been done in the last 30 days on both projects.LibreOffice - core: "Excluding merges, 106 authors have pushed 1,064 commits to master and 4,434 commits to all branches. On master, 4,833 files have changed and there have been 78,361 additions and 54,441 deletions."
https://github.com/LibreOffice/core/pulse/monthly
apache - openoffice: "Excluding merges, 4 authors have pushed 6 commits to trunk and 8 commits to all branches. On trunk, 16 files have changed and there have been 175 additions and 118 deletions."
https://github.com/apache/openoffice/pulse/monthly
tl;dr: OpenOffice had only 8 commits by 4 authors vs LibreOffice's 4,434 commits by 106 authors in the last month
(c) JohnTHaller @ news.ycombinator.com