Dirk Schnelle has generously contributed and maintained the first versions of the Ant task. I have rewritten the implementation for version 3.0, but the XML schema is still based on his work.
I am developing ProGuard in my spare time, in part on equipment that my employer Luciad is kindly allowing me to use.
SourceForge is graciously providing the resources for hosting this project and many other projects.
Since its first public release, many people have expressed their enthusiasm and have chimed in with interesting ideas, bug reports, and bug fixes: Thorsten Heit, Oliver Retzl, Jonathan Knudsen, Tarcisio Camara, Bob Drury, Dave Jarvis, Marc Chapman, Dave Morehouse, Richard Osbaldeston, Peter Hawkins, Mark Sherington, David Sitsky, James Manning, Ptolemy Oberin, Frank-Michael Moser, QZ Shines, Thomas Singer, Michele Puccini, Roman Bednarek, Natalia Pujol, Daniel Sjöblom, Jan Filipsky, Charles Smith, Gerrit Telkamp, Noel Grandin, Torbjörn Söderstedt, Clemens Eisserer, and many others. Thanks! Your feedback has been invaluable.
The code and these web pages were written using Sun's JDKs, IBM Eclipse, Linux, GNU emacs, bash, sed, awk, and a whole host of other tools that continue to make programming interesting.