While software is the "tool," the "content" is the styles themselves. The most interesting free downloads are often found in community archives:
An advanced MIDI and Style editor used for "polishing" styles, adjusting voices, and fixing track data. yamaha style creator software free download
: A popular suite of free utilities (such as Style Half Bar Filler or MIDI to Style) often recommended on community forums like the PSR Tutorial Forum for detailed style manipulation. Professional Style Editors (Paid/Trial) While software is the "tool," the "content" is