I like the duckyPad [0] as it is scriptable with ducky script and has multiple profiles that are easy to switch to. I believe the creator has open sourced the pcb and the firmware.<p>[0] <a href="https://www.tindie.com/products/dekuNukem/duckypad-do-it-all-mechanical-macropad/" rel="nofollow">https://www.tindie.com/products/dekuNukem/duckypad-do-it-all...</a>