rocket22 writes "Most software developers are supposed to be using the latest in tech and see themselves as living on the edge of software innovation. But, are they aware of how old some of the tools they use on a daily basis are? There are teams out there developing iPad software and checking in code inside arcane CVS repositories. Aren't we in the 21st century, the age of distributed version control? The blog post goes through some of the most important version control systems on the last three decades and while it doesn't try to come up with an extremely detailed thesis, it does a good job creating a catalog of some of the most widely spread or technologically relevant SCMs."