Since Gato is distributed under the LGPL you can make changes to the code (check the LGPL for exact terms regarding publishing your changes and use in your products). Please submit bug reports to gato@zpr.uni-koeln.de. You can use the same adress for submitting bug fixes (please send a patch, not the whole file).

Gato is written in Python, an amazing object-oriented language. If you know any OO-language python should not take you more than a day until you can do productive work.

Gato uses Tk (from Tcl/Tk-fame) for its GUI, which makes Gato truly cross-plattform (Linux, Unix, MacOS, Windows 9x, NT).