Glenn Randers-Pehrson

libpng   6524 commits Jan 1998 to Present

Developer, maintainer, and distribution manager

Mozilla Firefox   32 commits Aug 2008 to Present

Developer and bug fixer, mostly PNG support.

Mozilla Core   32 commits Jun 2003 to Present

PNG support maintainer, debugger

releases-mozilla-central   32 commits Aug 2008 to Present

Bug fixer, Developer (PNG support)

ImageMagick   397 commits Sep 2009 to Present

Debugger, tester, PNG support, and documentation editor

pngcrush   210 commits Nov 1999 to Present

Developer and maintainer

pngzop   26 commits Apr 2009 to Present

Developer

GraphicsMagick   673 commits Nov 1999 to Present

Developer, PNG support

png2url   13 commits Jul 2012 to Present

Developer

libmng   86 commits May 2003 to Present

Debugger, tester, and distribution manager

heigong   412 commits Jan 1998 to Jun 2009

Developer

MNG/JNG support for Mozilla   34 commits Oct 2003 to Jan 2004

Developer and maintainer

pngquant   1 commits Dec 2000

second_f   2 commits Oct 1987 to May 1997

developer at US Army Ballistic Research Laboratory

gzipJul 1995 to May 1996

Documentation editor

About Me

Libpng & libmng maintainer, pngcrush author, coauthor of the PNG and MNG specs. Retired from US Army Research Laboratory. On development teams for ImageMagick and GraphicsMagick.
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Journal
25 Apr 2013: libpng-1.6.2
10 Apr 2013: pngcrush-1.7.58
5 Mar 2012: started pngzop research
7 July 2012: png2uri-1.0.6
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Location

Edgewood, MD, USA

Ohloh Activity

Joined Ohloh 06 Apr 2009

144 Ohloh website edit(s)

8 post(s)

No project reviewed.

Kudos