not sure if exactly 10 years, but all are still used: * mambo & joomla (maybe that's more like 15) * owncloud / nextcloud * mariadb / mysql and not all are

not sure if exactly 10 years, but all are still used: * mambo & joomla (maybe that's more like 15) * owncloud / nextcloud * mariadb / mysql and not all are necissarily 'community driven' in the sense of no $$ involved, but the community split/forked trying to maintain some level of increased openness, and the resulting fork is still viable