The C++ rewrite is mostly done, a beta is now available :)
The LED Matrix Studio is free application designed for electronics enthusiasts who want to speed up the development of their LED and matrix projects. It supports many different export options, animations and different sizes of matrix.
Use the software to design fonts, graphics and animations for your PICAXE, PIC, Arduino, Parallax and any other electronics or microcontroller projects. Comes with example Arduino files...