The Open Source Initiative (OSI) is a non-profit corporation whose goal is to promote the use of open source software in the commercial world. To accomplish this goal, OSI maintains and promotes the Open Source Definition and offers the OSI Certified Open Source Software Certification Mark and Program. To be OSI certified, the software must be distributed under a license that guarantees the right to read, redistribute, modify, and use the software freely. The Open Source Definition provided by OSI contains the following elements:  
    - Free      redistribution 
    - Source      code 
    - Derived      works 
    - Integrity      of the author's source code 
    - No      discrimination against persons or groups 
    - No      discrimination against fields of endeavor 
    - Distribution      of license 
    - License      must not be specific to a product 
    - License      must not restrict other software 
    - License      must be technology-neutral 
Source: iu.ed