The best replacement for motion is after effects.

The best alternatives to motion are rated as following:
★★★★★  after effects
★★★  resolution
★★★  movement
★★  petition
★★  pleading
★  order to show cause
★  zoneminder
★  notion
★  action
★  passive range of motion
★  answer
★  move
★  complaint
★  appeal
  motility
  twixtor
  cataclysm
  shake
  horizontal motion
  kinect
  final cut pro
  adobe after effects
  true motility
  plantronics legend
  lg connect
  livetype
  zte avid
  actual motion
  ntp
  rest
  brief
  active
  lg spirit
  data at rest
  samsung galaxy admire
  lane
  ae
  lg esteem
  ekornes
  stipulation
  cross motion

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

Other search terms related to motion and their ratings are:
★★★★★ force
★★★★ constant velocity
★★★★ acceleration
★★★★ movement
★★★★ air resistance
★★★★ notice
★★ final cut
★★ raspberry pi camera
★★ imovie
★ final cut pro
★ gravity
You have in mind a companion for motion and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of motion in all years. Click on graph for more.
motion
after effects
resolution