Common Public License
Common Public License
AuthorIBM
Latest version1.0
PublisherIBM
PublishedMay 2001
DFSG compatibleYes[1]
FSF approvedYes[2]
OSI approvedYes[3]
GPL compatibleNo[2]
CopyleftLimited[2]
Linking from code with a different licenseYes

In computing, the Common Public License (CPL) is a free software / open-source software license published by IBM. The Free Software Foundation and Open Source Initiative have approved the license terms of the CPL.

Definition

The CPL has the stated aims of supporting and encouraging collaborative open-source development while still retaining the ability to use the CPL'd content with software licensed under other licenses, including many proprietary licenses. The Eclipse Public License (EPL) consists of a slightly modified version of the CPL.

The CPL has some terms that resemble those of the GNU General Public License (GPL), but some key differences exist. A similarity relates to distribution of a modified computer program: under either license (CPL or GPL), one must make the source code of a modified program available to others.

CPL, like the GNU Lesser General Public License, allows non-CPL-licensed software to link to a library under CPL without requiring the linked source code to be made available to the licensee.

CPL lacks compatibility with both versions of the GPL because it has a "choice of law" section in section 7, which restricts legal disputes to a certain court. Another source of incompatibility is the differing copyleft requirements.[2]

To reduce the number of open source licenses, IBM and Eclipse Foundation agreed upon using solely the Eclipse Public License in the future.[4] Open Source Initiative therefore lists the Common Public License as deprecated and superseded by EPL.

Projects using the Common Public License

See also

References

  1. ^ List of DFSG (Debian Free Software Guidelines) approved Licenses
  2. ^ a b c d "Various Licenses and Comments about Them". Retrieved .
  3. ^ "Open Source Licenses by Category". Retrieved .
  4. ^ Mike Milinkovich - One Small Step Towards Reducing License Proliferation

External links



  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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