Keith Edmunds is MD of Tiger Computing Ltd, which provides support for businesses using Linux.
Wikipedia lists 14 purely Open Source version control systems, but there’s one that stands head and shoulders above the rest: Git. Developed initially by Linus Torvolds and used to manage the Linux kernel source for the past 17 years, Git achieves that elusive goal of being simple to use in everyday cases and powerful enough for just about any situation that you can think of.