49-Key USB MIDI Keyboard Controller with X/Y Touch Pad + Pedal + Hosa Cable & Labels - Walmart.com
Amazon.com: KONIX MIDI Keyboard Controller 25 Key, Portable USB MIDI with Velocity-Sensitive Mini Keys & OLED Screen Display for Mac/ PC, Small MIDI Keyboard with Unique LOOP Function and 8 Backlit Drum
Track Master Makes Your Trackpad a MIDI Controller; A Must-Download for Mac - CDM Create Digital Music
MPK Mini mk3 MIDI Controller | Akai Pro
Laptop Trackpads And MIDI Controllers | Hackaday
XotoPad - The MIDI controller for Windows touch-screens