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Glenn Randers-Pehrson

Coauthor of PNG spec, developer/maintainer of libpng, on development teams for ImageMagick and GraphicsMagick. Author of pngcrush. Maintains PNG support in Firefox. Retired, father of four, grandfather of fifteen.

profile for Glenn Randers-Pehrson on Stack Exchange, a network of free, community-driven Q&A sites.

LICENSE: All my StackExchange contributions across all sites, except as noted within any particular contribution, are available under the standard SO/SE licensing terms (CC-BY-SA) or under the CC-0 Public Domain Dedication, at your choice.

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117 I lost the source code for programs I released as GPL. What to do? Aug 29 '17
12 How to prevent contributors from claiming copyright on my LGPL-released software? Oct 10 '16
11 Is it legal to charge for distributing the source of a software which uses GPLv2 components? Sep 23 '16
10 Will a dual license lock me in to a provider? Oct 4 '15
9 What license do I apply to my software if parts of its code is derived from MIT licensed open source software? Sep 21 '16
9 What does the Open Source Initiative say about proprietary software? Dec 17 '15
9 Can I modify source code licensed under MIT license without publishing my changes? Aug 31 '15
9 is CC BY license GPL compatible? CC BY vs CC0 Aug 19 '15
8 Use of a BSD License software in a thesis May 21 '17
7 BSD-3 Closed Source Attribution Dec 16 '16
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