The best replacement for shorthand is instant text.

The best alternatives to shorthand are rated as following:
★★★★★  instant text
★★★★★  speedwriting
★★★  writing speed
★★  longhand
★★  pitman
★  stenography
★  speed writing
★  teeline
★  steno
★  typing

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

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



Google Trends

Scale is based on the average worldwide traffic of shorthand in all years. Click on graph for more.
shorthand
instant text
speedwriting