Started with a modified 3.5 Forgotten Realms system years ago using a game engine to play on a 200+ person server. Picked up roll 20 a few years ago and have been playing ever since. Helped Gm a 20+ 'West Marchest' server until it ended came to an end.
I mainly have experience both playing and GMing for Pathfinder / Starfinder / 5E / Open Legend systems, though I am always interested in learning more from the other tabletop settings.