The best replacement for angular is backbone.

The best alternatives to angular are rated as following:
★★★★★  backbone
★★★★★  ember
★★★★  knockout
★★★★  jquery
★★★  meteor
★★★  linear velocity
★★  bent
★★  durandal
★★  linear speed
★★  react
★  polymer
★  node
★  linear acceleration
★  linear momentum
★  extjs
★  marionette
★  dart
★  bootstrap
  handlebars
  tangential velocity
  express
  ojo de pescado

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

Other search terms related to angular and their ratings are:
★★★★★ bootstrap
★★★ handlebars
★★★ asp.net mvc
★★★ node
★★ jade
★★ express
★ coffeescript
★ underscore
★ backbone
★ breeze
★ backbone models
rest
You have in mind a companion for angular and it is not yet here? Propose!



Google Trends

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