The best replacement for typewriter is word processor.

The best alternatives to typewriter are rated as following:
★★★★★  word processor
★★★★★  computer
★★★  keyboard
★  word processing
★  microsoft word
★  infinite launcher
★  infinite rocket launcher
★  printing press
★  computer keyboard
  typewriter
  hand cannon
  word processors
  handcannon

Your alternative for typewriter is not listed? Suggest!
Speaking about typewriter, one probably shouldn't forget about orchestra.

Other search terms related to typewriter and their ratings are:
★★★★★ orchestra
You have in mind a companion for typewriter and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of typewriter in all years. Click on graph for more.
typewriter
word processor
computer