IBM Public License

IBM Public License
Author	IBM
Latest version	1.0
Publisher	IBM
Published	August 1999
DFSG compatible	Yes ^[1]
FSF approved	Yes ^[2]
OSI approved	Yes
GPL compatible	No ^[2]
Copyleft	Yes
Linking from code with a different license	Yes

The IBM Public License (IPL) is a free software / open-source software license written and sometimes used by IBM. It is approved by the Free Software Foundation (FSF) and described as a "open-source license" by the Open Source Initiative.

The IPL differs from the GNU General Public License (GPL), in that it places the liability on the publisher or distributor of the licensed software code. According to IBM, this is to facilitate commercial use of open-source software, without placing the contributor at a risk of liability. Proponents of the IPL note a clearer definition of responsibility for software code than that of the GPL.

The IPL is incompatible with the GPL because it contains restrictions not included in the GPL. According to the FSF "This is a free software license. Unfortunately, it has a choice of law clause which makes it incompatible with the GNU GPL.)"^[2]

The IPL differs from the GPL in the handling of patents, as IPL terminates the license upon patent disputes.

This license has also been criticised because of provisions in section 4 which require commercial distributors of code covered by this license to indemnify all "upstream" originators for legal costs relating to lawsuits brought about of users of the software. It has been argued that this exposes small distributors (e.g. Linux distributions that happen to sell CDs) to unbounded legal costs, possibly arising from vexatious claims.

Examples of software projects licensed under the IPL include Postfix, OpenAFS, and the now-unmaintained Jikes compiler for Java.

External links

References

↑ The DFSG and Software Licenses - Debian Wiki
1 2 3 "FSF license list with comments on the IPL". Retrieved 2007-06-24.

IBM

History	History of IBM Mergers and acquisitions Think (motto) Operating Systems

Products	Cell microprocessor Mainframe Personal Computer IBM Power Systems Information Management Software Lotus Software Rational Software SPSS ILOG Tivoli Software: Service Automation Manager WebSphere alphaWorks Criminal Reduction Utilising Statistical History Mashup Center PureQuery Redbooks FlashSystem Fortran Connections

Business entities	Cloud computing Global Services International subsidiaries jStart Kenexa Research

Facilities	Towers 1250 René-Lévesque, Montreal, QC One Atlantic Center, Atlanta, GA Software Labs Rome Software Lab Toronto Software Lab IBM Buildings 330 North Wabash, Chicago, IL Johannesburg Seattle Research Labs Africa Almaden Center Austin Laboratory Australia Brazil China Laboratory Haifa Laboratory India Laboratory Ireland Thomas J. Watson Center, New York Tokyo Zurich Laboratory Facilities Hakozaki Facility Yamato Facility Cambridge Scientific Center IBM Hursley Canada Head Office Building IBM Rochester Somers Office Complex

Initiatives	Academy of Technology Centers for Advanced Studies: CASCON Deep Thunder IBM Fellow Pulse conference The Great Mind Challenge DeveloperWorks: Develothon Linux Technology Center IBM Virtual Universe Community Smarter Planet

Inventions	Automated teller machine Electronic keypunch Hard disk drive Floppy disk DRAM Relational model Selectric typewriter Financial swaps Universal Product Code Magnetic stripe card Sabre airline reservation system Scanning tunneling microscope

Terminology	Globally Integrated Enterprise Commercial Processing Workload Consumability Technology dividend e-business

CEOs	Thomas J. Watson (1914–1956) Thomas Watson Jr. (1956–1971) T. Vincent Learson (1971–1973) Frank T. Cary (1973–1981) John R. Opel (1981–1985) John Fellows Akers (1985–1993) Louis V. Gerstner Jr. (1993–2002) Samuel J. Palmisano (2002–2011) Ginni Rometty (2012–present)

Board of directors	Alain Belda William R. Brody Kenneth Chenault Michael L. Eskew David Farr Shirley Ann Jackson Andrew N. Liveris James McNerney James W. Owens Samuel J. Palmisano Virginia M. Rometty Joan E. Spero Sidney Taurel Lorenzo Zambrano

Other	A Boy and His Atom Common Public License/IBM Public License Customer engineer Deep Blue Deep Thought Dynamic infrastructure GUIDE International IBM and the Holocaust IBM international chess tournament Lucifer cipher Mathematica SHARE computing ScicomP Watson

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IBM Public License

See also

External links

References