If I forgot to add someone to this list please let me know.

Main author and maintainer:
Giuseppe Rota <grota@sourceforge.net>

Contributors:
Daniel Kaneider (windows setup, head of i18n efforts)
Mandus (Mac OS X packager, Norwegian translator)
Nicholas Phillips (MTB alignment code)
Mustafa GÜNAY (Turkish translator)
Douglas E. Warner (fc6 packager and bug reports)
Ralph Kaeppeli (German Translator)
Jan Gemela (Cezk translator)
Ignacy Gawedzki (tiff ldr bugfixes and suggestion)
Bertrand Petit (FreeBSD patch)
Sloan Poe (found and fixed bug regarding legacy actions signal)
Alexandre Prokoudine (gui improvements, desktop integration)
Arne Hagenah (various suggestions)
Frank Boehme (various suggestions)
Erik Ouchterlony
Antoine Latter
