AvantFAX has had many languages files and bug fixes contributed by many people including the following:

Yuan Chia Fu
Faidon Liambotis
Rémi TAUPIN
Constantin Andrita
Koos van Marion
Roberto Romero
Sergio Delgado
Alejandro Ortega
Eivind Raknes
Hong Yuan
Andreas Wettergren
Mike M. Shirshov
Andreas Wettergren
Zambo Daniel
Istvan Toth
Frank Menne
Jakub Karolczyk
Gokhan Toplar
Yacine Fetouche
Chris Weiss
Svetlozar Ivanov
Daniel Nicoletti
Marcin Wołyniak
Yves Carlier
Walid Aweiwi
Nobuyuki Ogahara
Danijel Getejanc
Barry Michels
Maxxer
Paolo Basenghi
sswitzer
Carlos Monteiro
Jernej Praprotnik
Aleksandra Zupanc