The best replacement for knockout is backbone.

The best alternatives to knockout are rated as following:
★★★★★  backbone
★★★★  angular
★★★  knockout
★★★  jquery
★★  technical knockout
★★  ember
★★  transgenic
★★  overprint
★  double knockout roses
★  knock down
★  react
★  tko
★  kendo
★  submission
★  knockdown
★  bootstrap
★  knockin
★  concussion
★  kill lesnitsky
★  angularjs
★  mask pro
★  knock in
★  breeze
★  ratchet
  wild type
  double knockout rose
  jsviews
  knock out
  handlebars
  hatton
  belfort
  marquez
  carpet roses

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

Other search terms related to knockout and their ratings are:
★★★★★ mvc
★★★★ backbone
★★★★ handlebars
★★★★ jquery validation
★★★ mvc 5
★★★ asp.net
★★ requirejs
★★ asp.net mvc 4
★ data-bind
★ typescript
★ mvc 4
asp.net mvc
You have in mind a companion for knockout and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of knockout in all years. Click on graph for more.
knockout
backbone
angular