I recently moved my open source projects from github to a self hosted gitlab server. Would I need to make a github mirror to take advantage of ringer?
I would guess that *when* you achieve support for those other (and especially self-hosted), then you'd up your game massively in the eyes of the open source software community. Of course....i acknowledge that this is not a small nor easy nor fast thing to achieve. ;-) Best of luck, and i really love this idea that you have! (I'll be joining soon)