Open Source is prominent. Programmers share their ideas and codes freely. Copyright and Infringement laws have not been made yet.

Birth of Microsoft Corporation, the future leader of proprietary and closed source software.

Bill Gates writes an Open Letter stating that the production, distribution and maintenance of high-quality software could not continue without payment.

Richard Stallman initiates the development of the GNU operating system, the first integrated Open Source project.

Richard Stallman founds the Free Software Foundation, which the aim to reinforce the free software licenses, and to promote the free and open sharing of source codes.

Larry Wall completes work on his dynamic programming language, Perl.

The Python programming language is released by Guido van Rossum.

Linux is released, the first Open Source Operating System. The project is spearheaded by Linus Torvalds.

The development of Apache is complete. Apache is to become the future leader of the web-servers

Eric Raymond releases his famous article, titled ‘The Cathedral and the Bazaar’.

Mozilla Firefox released. Gets a considerable market share over its first year.

Java officially goes ‘open’. It is the largest source code released under Open Source till date.