The best replacement for smartboard is promethean.

The best alternatives to smartboard are rated as following:
★★★★★  promethean
★★★★  mimio
★★★★  whiteboard
★★★  starboard
★★★  promethean board
★★★  elmo
★★  activboard
★★  eno board
★  interactive projector
★  interactive whiteboard
★  chalkboard
★  panaboard
  whiteboards
  ebeam
  smart board
  eno
  powerpoint
  mondopad
  interwrite
  polyvision
  mimio board
  sharp whiteboard
  teamboard

Your alternative for smartboard is not listed? Suggest!
Speaking about smartboard, one probably shouldn't forget about everyday math.

Other search terms related to smartboard and their ratings are:
★★★★★ everyday math
★★ an ipad
★★ short throw projector
★ clickers
You have in mind a companion for smartboard and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of smartboard in all years. Click on graph for more.
smartboard
promethean
mimio