The best replacement for adobe flash is macromedia flash.

The best alternatives to adobe flash are rated as following:
★★★★★  macromedia flash
★★★★  silverlight
★★★  shockwave
★★  toon boom
★  shockwave flash
★  adobe reader
★  anime studio
★  adobe edge
★  html 5
★  adobe air
  shockwave player
  swish max
  swish
  microsoft silverlight
  gnash
  adobe shockwave
  adobe flex
  macromedia

Your alternative for adobe flash is not listed? Suggest!
Speaking about adobe flash, one probably shouldn't forget about google chrome.

Other search terms related to adobe flash and their ratings are:
★★★★★ google chrome
★ jelly bean
You have in mind a companion for adobe flash and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of adobe flash in all years. Click on graph for more.
adobe flash
macromedia flash
silverlight