| Peter Ahlstrom |
for experimenting with the zlib parameters,
and for providing useful test data |
| Emmanuel Andry |
for maintaining the Mandriva Linux port |
| Piotr Bandurski |
for maintaining the Amiga port,
and for suggesting a feature improvement |
| Fabien Barbier |
for fixing a Unicode build issue on Windows |
| Fabrizio Bartoloni |
for maintaining the MorphOS port |
| Pascal Bleser |
for maintaining the SUSE Linux port |
| Stefan Brüns |
for contributing a security fix |
| James Buren |
for maintaining the Frugalware Linux port |
| Adam Ciarcinski |
for maintaining the pkgsrc package |
| James H. Cloos, Jr. |
for being the first user to report a defect |
| Christian Davideck |
for reporting a defect |
| Andrew C. E. Dent |
for experimenting with various compression parameters,
and for providing useful test data |
| Matthew Fearnley |
for reporting several defects and limitations,
and for contributing a reduction improvement |
| Petr Gajdos |
for maintaining the SUSE Linux port |
| Nicolas Le Gland |
for reporting a defect |
| Tero Grundström |
for reporting a build problem |
| Larry Hastings |
for suggesting a performance improvement, for reporting a defect,
and for providing useful test data |
| Tristan Heaven |
for maintaining the Gentoo Linux port |
| Jukka Heino |
for maintaining the Crux Linux port |
| Max Horn |
for maintaining the Mac OS X (Fink) port |
| Thomas Hurst |
for maintaining the FreeBSD port |
| Joachim Kluge |
for reporting a defect |
| Bill Koch |
for reporting a defect |
| Niels de Koning |
for contributing memory leak fixes |
| Michael Krishtopa |
for reporting a defect |
| Vincent Lefevre |
for maintaining the Mac OS X DarwinPort,
and for suggesting a feature |
| Vitaly Lipatov |
for maintaining the ALT Linux port |
| Alexander Lucas |
for suggesting a feature |
| Till Maas |
for maintaining the Fedora Linux port,
and for valuable contributions and feedback |
| Brian McQuade |
for contributing a security fix |
| Nehal Mistry |
for suggesting various features |
| Dirk Mueller |
for maintaining the SUSE Linux port |
| Gustavo De Nardin |
for maintaining the Mandriva Linux port |
| Nelson A. de Oliveira |
for maintaining the Debian Linux port,
and for valuable contributions and feedback |
| Tavis Ormandy |
for maintaining the Gentoo Linux port |
| Martin Packman |
for reporting a defect |
| Dimitri Papadopoulos |
for reporting a defect |
| Aaron Reitz |
for reporting a platform-specific build problem |
| Ryan Schenk |
for writing PNGpong, a Dashboard widget for Mac OS X |
| Ville Skyttä |
for maintaining the Fedora Linux port |
| Roy Tam |
for reporting a defect |
| Juhapekka Tolvanen |
for suggesting various script improvements |
| Dmitry Vlasko |
for writing a configurable Windows shell integration utility |
| Funda Wang |
for maintaining the Mandriva Linux port |
| Liang Zhao |
for reporting a platform-specific build problem |
| [akJ] |
for writing an Eclipse RCP utility |
| [amake] |
for writing pngcrusher, a Mac OS X front-end |
| [Baldelario] |
for maintaining the Slackware Linux port |
| [I Like Pi] |
for writing a configurable Paint.NET plugin |
| [LaughingMan] |
for suggesting a feature, and for reporting a defect |
| [warriant] |
for suggesting the use of UPX to pack the Windows executable |