Contributions

 
libpng   6524 commits Jan 1998 to Present

Developer, maintainer, and distribution manager

activity chart for Glenn Randers-Pehrson's contribution
Mozilla Firefox   32 commits Aug 2008 to Present

Developer and bug fixer, mostly PNG support.

activity chart for Glenn Randers-Pehrson's contribution
Mozilla Core   32 commits Jun 2003 to Present

PNG support maintainer, debugger

activity chart for Glenn Randers-Pehrson's contribution
releases-mozilla-central   32 commits Aug 2008 to Present

Bug fixer, Developer (PNG support)

activity chart for Glenn Randers-Pehrson's contribution
ImageMagick   397 commits Sep 2009 to Present

Debugger, tester, PNG support, and documentation editor

activity chart for Glenn Randers-Pehrson's contribution
pngcrush   210 commits Nov 1999 to Present

Developer and maintainer

activity chart for Glenn Randers-Pehrson's contribution
pngzop   26 commits Apr 2009 to Present

Developer

activity chart for Glenn Randers-Pehrson's contribution
GraphicsMagick   673 commits Nov 1999 to Present

Developer, PNG support

activity chart for Glenn Randers-Pehrson's contribution
png2url   13 commits Jul 2012 to Present

Developer

activity chart for Glenn Randers-Pehrson's contribution
libmng   86 commits May 2003 to Present

Debugger, tester, and distribution manager

activity chart for Glenn Randers-Pehrson's contribution
heigong   412 commits Jan 1998 to Jun 2009

Developer

activity chart for Glenn Randers-Pehrson's contribution
MNG/JNG support for Mozilla   34 commits Oct 2003 to Jan 2004

Developer and maintainer

activity chart for Glenn Randers-Pehrson's contribution
pngquant   1 commits Dec 2000
activity chart for Glenn Randers-Pehrson's contribution
second_f   2 commits Oct 1987 to May 1997

developer at US Army Ballistic Research Laboratory

activity chart for Glenn Randers-Pehrson's contribution
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.
_____________________
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
_____________________

 Follow @

Location

location marker Edgewood, MD, USA

Ohloh Activity


Joined Ohloh 06 Apr 2009

144 Ohloh website edit(s)

8 post(s)

No project reviewed.

 

Creative Commons License 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 . Ohloh ® and the Ohloh logo are trademarks of Black Duck Software, Inc. in the United States and/or other jurisdictions. All other trademarks are the property of their respective holders.