The best replacement for rails is django.

The best alternatives to rails are rated as following:
★★★★★  django
★★★★★  php
★★  grails
★★  sinatra
★★  java
★★  python
★★  .net
★★  node
★  rhonchi
★  laravel
★  where
★  node.js
★  asp.net mvc
★  wordpress
  scope
  ruby
  symfony
  express
  asp.net
  ronchi
  merb
  picatinny rails
  cakephp
  javascript
  j2ee
  stiles
  styles
  wheezes
  play
  pylons
  bed frames
  flask
  seaside
  zope
  drupal
  versa rails
  lift
  hot rails
  django performance
  spring
  jb jr
  meteor
  gwt
  struts
  weaver rails

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

Other search terms related to rails and their ratings are:
★★★★★ trails
★★★ apache
★★★ jquery
★★★ activerecord
★★★ mongodb
★★ mysql
★★ scaffolding
★★ postgres
★★ migrations
★★ existing database
★★ angularjs
★★ coffeescript
★ asset pipeline
★ bootstrap
★ scope
★ ember
★ bundler
★ node.js
★ jruby
★ haml
★ tool box
★ callbacks
footboard
scaffold
postgresql
turbolinks
rbenv
sprockets
backbone
ruby
backbone.js
rvm
redis
You have in mind a companion for rails and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of rails in all years. Click on graph for more.
rails
django
php