Tonto is a set of tools for the the popular Pronto line of programmable remote controls manufactured by Philips. The main tool in Tonto is a graphical editor similar to ProntoEdit. Though ProntoEdit is a capable editor, it is limited to running on Windows. Tonto is written in Java and is currently running on Windows, Linux and Mac OSX. Tonto also includes a developers library and documentation for those interested in either extending Tonto's capabilities or creating their own CCF files.