Project Summary
libpng is the official PNG reference library. It supports almost all PNG features, is extensible, and has been extensively tested for over 17 years.
libpng is available as ANSI C source code and requires zlib 1.0.4 or later (1.2.3 or 1.1.4 recommended due to potential security vulnerabilities in earlier versions). In addition to the main library sources, libpng includes the rpng, rpng2 and wpng demo programs, the pngminus demo program, a subset of Willem van Schaik's PngSuite test images, and Willem's VisualPng demo program. Configure, CMake, Visualc projects, and various makefiles are included for building libpng.
Libpng is under the libpng license.
In a Nutshell, libpng...
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has a well established, mature codebase
maintained by a average size development team
with decreasing Y-O-Y commits -
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took an estimated 100 years of effort (COCOMO model)
starting with its first commit in July, 1995
ending with its most recent commit 11 days ago
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30 Day Summary May 12 2013 — Jun 11 2013
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12 Month Summary Jun 11 2012 — Jun 11 2013
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Copyright
©
2013
Black Duck Software, Inc.
and its contributors, Some Rights Reserved. Unless otherwise marked, this work is licensed under a
Creative Commons Attribution 3.0 Unported License
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®
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Black Duck Software, Inc.
in the United States and/or other jurisdictions. All other trademarks are the property of their respective holders.