The term “open source” was coined in 1998 after Netscape decided to publish the
source code for its popular Navigator browser. This announcement prompted a small
group of software developers who had been longtime supporters of the soon-to-be open
source ideology to formally develop the Open Source Initiatives (OSI) and the Open
Source Definition. Linux became the first operating system to be called open source
(although BSD was a close runner-up, distributed from Berkeley in 1989), and many
programs followed soon thereafter. Large software corporations, such as Corel, began
to offer versions of their programs that worked on Linux machines. Example: Linux