I've gotten an offer from OTRS AG after contributing some to their core (back then Open Source) ticket system. I've declined, and a few years later they basica

I've gotten an offer from OTRS AG after contributing some to their core (back then Open Source) ticket system. I've declined, and a few years later they basically closed-sourced their platform (it's still source available, but only with years delay, and they no longer accept feature contributions). Can't say I regret my choice.