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List of OSI approved software licenses: Wikis

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From Wikipedia, the free encyclopedia

An open source license is a copyright license for computer software that makes the source code available under terms that allow for modification and redistribution without having to pay the original author. Such licenses may have additional restrictions such as a requirement to preserve the name of the authors and the copyright statement within the code. One popular (and sometimes considered normative) set of open source software licenses are those approved by the Open Source Initiative (OSI) based on their Open Source Definition (OSD).

Contents

Comparisons

The Free Software Foundation has related but distinct criteria for evaluating whether or not a license qualifies a program as free software. All licenses qualified as free software are also considered open source licenses. Likewise, the Debian project has its own criteria, the Debian Free Software Guidelines, on which the Open Source Definition is based.

There are also shared source licenses which have some similarities with open source, such as the Microsoft Reference License (MS-RL), but are not compatible with the Open Source Definition.

OSI approved licenses

OSI logo

Software in the public domain (that is, with all copyright renounced), meets those criteria as long as all source code is made available, and is therefore recognized by the OSI and entitled to use their service mark. In addition, OSI has approved the following licenses as of 2007:

The categories below were created by a license proliferation committee in 2006 to lessen or remove issues caused by license proliferation.[1][2]

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Licenses that are popular and widely used or with strong communities (in alphabetical order)

Special purpose licenses

Other/miscellaneous licenses

Licenses that are redundant with more popular licenses

Non-reusable licenses

Superseded licenses

Licenses that have been voluntarily retired

Not categorized

Non-OSI source licenses

Licenses that are source-available but not OSI-Certified include:

See also

References

External links

Wikibooks


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