NavExpress DJ Java Decompiler (also known as DJ Java Decompiler) is developed and updated by NavExpress Bulgaria representative Atanas Neshkov.

The relationship between NavExpress and DJ Java Decompiler began in 2002 when the founder of NavExpress, Juri Yoshida experienced the power of DJ Java decompiler and wanted to assist Atanas Neshkov to bring the software to as many people around the world as possible.