Ooh, good point. Though one issue I've noticed popping up of late is that people are starting to associate "open source" with "GitHub" instead of with checking

Ooh, good point. Though one issue I've noticed popping up of late is that people are starting to associate "open source" with "GitHub" instead of with checking whether the source is open or not. So who knows, maybe a GitHub mirror of their own Kiln-hosted source for April Fool's?