While SCM can seem like a really boring topic, if you develop code you need a SCM. it is one of the most valuable programming tools. One of the newest SCM’s is Git, which was largely inspired by the BitKeeper revision control software. It is the SCM of choice for a large number of big name projects in the open source community, most notably the Linux Kernel, and has recently become a hot topic in the Rails community with the advent of Github. While Git alone alone offers some attractive benefits over SVN it really beings to shine with combined with Github.