Transparent Language
eBook Converter
SpaceTime Mathematics
Emil Ernerfeldt
IOSS Ltd.
Red Egg Software
Krich Charoenpoldee
Asynx
Sergej Vinarski
Felix Deimel
Wenpoint
Alexey Iljin
Singleton Software
Heinz van Saanen
Custom Solutions of Maryland
Paul Alan Freshney
WordFox
Ivan Garcia
ultralingua.com
Paul Alan Freshney
Javier Lourido
eReder
W.G.Bardsley
edsdev
Universitat Bayreuth
Maths for More
HalconSoft
Denemo Team
wikitaxi.org
Beda Kosata
Ariya Hidayat
Joustra Software
PROMT
Visual Pronunciation Software
Coccinella Development, Inc.
University of Colorado
ESA - European Space Agency
María Jesús Egea Gómez
Lylipond Team
Rene Grothmann
Francisco A. Núñez
GraphNow Software
Myriad
Catalina Moreno Escobar
ABA English
Rekenwonder Software
Ministerio de Educación y Cien