An overview of some things you do with a Guitar to MIDI converter (like the Axon AX100, or Roland GI20 or GR33), Native Instruments' Kontakt5 and Gtak5. This video is actually for Gtak4 but Gtak5 does exactly the same thing for Kontakt5.
How to use String and Fret Splitting.
How to control Kontakt4 or Kontakt5's Keyswitched instruments.
How to use Kontakt4 or Kontakt5's Dynamic Keyswitched instruments with Gtak4 or Gtak5.
How to use Kontakt4 or Kontakt5's drum machines with Gtak4 or Gtak5.
How to use Gtak4 or Gtak5 to switch instruments by playing notes on your fretboard.
Here's how Gtak works with a MIDI pedal board to let you switch between instruments (in this case 17 different instruments) without you having to take your hands off your guitar.