Doh, I completely forgot about GitLab. OK so that's 3 services. I'm only counting hosted services that aim at serving all comers and providing an entire platf

Doh, I completely forgot about GitLab. OK so that's 3 services. I'm only counting hosted services that aim at serving all comers and providing an entire platform similar to GitHub. Individual disconnected instances, while useful, aren't a replacement for the social aspect of GitHub.