[rsobers]

So setup 1 small git server that mirrors your most critical repositories which devs can failover to in the event GitHub is down _exactly_ when you need to integrate changes.

I wouldn't call this "building around" GitHub. Git's nature promotes this kind of thing.

[michaelsbradley]

In a similar vein, one could failover to mirrors of critical repositories hosted on another GitHub-like service, e.g. Bitbucket:

https://bitbucket.org/