Open Source is a certification standard issued by the Open Source Initiative (OSI) that indicates that the source code of a computer program is made available free of charge to the general public. OSI dictates that in order to be considered “OSI Certified” a product must meet the following criteria:
• The author or holder of the license of the source code cannot collect royalties on the distribution of the program.
• The distributed program must make the source code accessible to the user.
• The author must allow modifications and derivations of the work under the program’s original name.
• No person, group or field of endeavor can be denied access to the program.
• The rights attached to the program must not depend on the program’s being part of a particular software distribution.
• The licensed software cannot place restrictions on other software that is distributed with it.
Open source software is normally distributed with the source code under an open source license. The Open Source Initiative sets the following distribution terms that open-source software must comply with;