You could have downloaded RPGXplorer 1.9.51 from our software library for free. The most popular version of the tool 1.9. The program lies within Games, more precisely Utilities. The actual developer of the software is Pierce Morgan Ltd. RPGXplorer.exe is the most common filename for this program's installer.
From the developer:
A very powerful character generator for Edition DnD (using the Open Gaming License), RPGXplorer – Characters & Rules is the only character generator that allows you to input new rules without computer programming skills.
You may want to check out more software, such as POLUtils, GameArena The Arena or rFactor Ignition, which might be related to RPGXplorer.