Why not on boardgamearena? They already have a developer program where licenses are made available by developers and there's tens of thousands of users.
BGA doesn’t have all the licenses and you have to get approval before you can work on a game (they might have changed this since), and the BGA framework is an ancient mix of no-framework PHP with ExtJS.
Much easier to just submit to freeboardgames.io or host your own instance.
Much easier to just submit to freeboardgames.io or host your own instance.