What are Open Source (OS) Software Applications?
Open source software refers to applications developed in which the user can access and alter the “source” code itself. Some open source applications have restrictions on their use and distribution, but many do not.
Is there a difference between open source applications and public domain?
Yes. Open source applications are not under public domain which allows people to freely use works.
Open source software does have copyrights and is not public domain software.
Examples of Open Source Software
Examples of open source software include: LINUX, Apache, Firefox, KOffice, Thunderbird, OpenOffice, KOffice, and SquirrelMail.