Free / OpenSource Software Development timeline

First there was the source code (< 80)

Unix, BSD (> 80)

GNU project^[4] and Free Software Foundation created by Richard M. Stallman (> 84)

Linux kernel started by Linus Torvalds (> 91)

GNU/Linux Distributions ( > 95)

IBM steps in (2001)

Sun buying StarOffice and creation of OpenOffice.org (2002)