The LibreOffice extensions and templates site runs on the Content Management System Plone 5 with some add-ons. I added together with our service provider some fixes and improvements to this add-ons during the last weeks. I made new releases of this Plone add-ons and uploaded them to the Python Cheeseshop:
https://pypi.python.org/pypi/tdf.templateuploadcenter/0.12
https://pypi.python.org/pypi/tdf.extensionuploadcenter/0.15