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