Who is Writing (GNU) Linux?

Every (GNU) Linux kernel is being developed by nearly 1,000 developers working for more than 100 different corporations. This is the foundation for the largest distributed software development project in the world. (src)

“None” has decreased from 18% to 13%

“Unknown” has gone from 6.4% to 3.3%

backup: lf_linux_kernel_development_2010.pdf