![4drX](https://static.kvraudio.com/i/news/4drx100x100.1470087989.png)
4drX has released MidiKeySwitcher, a free MIDI VST Plugin for Windows that makes it simple for keyboard players to select and change presets of your favorite synths with a MIDI Channel Map, Program Changes, Bank and Subbank Changes with KeySwitches on your lower keys.
Price: Free (and Open source).