Jean-François Meessen <linknx@ouaye.net> Initial and main developer of the project up to 0.0.1.32.
Othmar Truniger <tru7@users.noreply.github.com>
Cyrille Defranoux <cyrille.github@youplaboum.fr>

Other contributors for whom we do not have much details, unfortunately: 
fraxinas
stefdude (maybe stefdude@users.sourceforge.net)
michael111
Mike Pieper

Should this list be incomplete, please let us know.
