I would rather say Github is like a museum 
The things still exist, they are a little old style but could be used anytime again by polishing up.
GitHub - cemetery of the coins?
The things still exist, they are a little old style but could be used anytime again by polishing up.Coins not really dying if the source code is fully open source. Even if there are no miners anymore, the coin can be reactivated anytime again.
GitHub - cemetery of the coins?