1. A group of software whose source code is available to the general public for the purpose of improvement, modification, etc.
2. Any software released under the GPL, LGPL, or other open source licenses.
3. The stuff that makes Bill Gates' life sad.
Linux, Apache, MySQL, and plenty else is open source - and it's all good stuff.
Software that has a source code available to the public.
Giving the public the ability to modify, improve, and fix the program itself. Allowing the creator of the program to not have to find a way to fix the program himself and allowing more patches and improvements to the software.
Also allowing the public to be able to port the program onto other operating systems, so that dual-booters who can program will make a windows version of an awesome GNU/Linux/BSD/Solaris program.
See also open source
My Slackware has the linux source code locate in "/usr/src/linux". I compile my own linux kernal to fit my needs of my computer. Take that M$!
GPL is an example of an open-source license.
Any project that is open to anyone anywhere, everyone everywhere.
An idea, invention, project,that is open to general public to allow changes in anyway (Preferably for the better)
Government has to have an opeon source policy for street crime prevention.
is an open source animation project
Dr Malik applies an open source policy on all his inventions and innovations