The best replacement for midi keyboard is maschine.

The best alternatives to midi keyboard are rated as following:
★★★★★  maschine
★★★★★  synthesizer
★★★  mpc
★★★  digital piano
★★  drum machine
★  launchpad
★  usb keyboard
  digital keyboard

Your alternative for midi keyboard is not listed? Suggest!
Speaking about midi keyboard, one probably shouldn't forget about garageband.

Other search terms related to midi keyboard and their ratings are:
★★★★★ garageband
★★★ fruity loops
★★ reaper
★★ logic pro x
★ fl studio
★ mpc
★ reason
★ sibelius
★ finale
logic
You have in mind a companion for midi keyboard and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of midi keyboard in all years. Click on graph for more.
midi keyboard
maschine
synthesizer