Check out this Chart

Hot on the heels of the news of UNIX’s 40th anniversary comes a Linux Foundation report entitled Who Writes Linux. This report investigates who is contributing to the Linux kernel, and how much: “Since 2005, over 5000 individual developers from nearly 500 different companies have contributed to the kernel. The Linux kernel, thus, has become a common resource developed on a massive scale by companies which are fierce competitors in other areas.” Wow!

It bears noting that an analysis like this is only available because Linux is open source software. You can look through the changelogs and project history to see who has done what, who’s been attributed with doing what, etc etc.

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