Use ExecJS to write your views in JavaScript.

ExecJS Runtime for JXA (JavaScript for Automation)

libphonenumber wrapper

Flok is a cross-platform application framework system that exports javascript files

Gazelle's coding style guidelines and checks

Text translation using the google web interface

Gem that integrates Sidereel GroundworkCSS into Rails 3+

Compiles your Hogan mustache templates with Guard

Guard::Sprockets automatically packages your javascript files together.

Guard plugin for smart, automatic compilation of your Javascript template files into usable Javascript

ruby-haml-coffee is a Ruby wrapper around the JavaScript haml-coffee compiler.

one-line haml/sass/scss compiler

Compile and evaluate underscore templates from Ruby.

hacked version of ember-rails

Use Handlebars templates precompiled and wrapped in a AMD define block, with the asset pipeline in Rails 3.1+ applications.

Bindings for handlebars using execjs. Tested using mini_racer, therubyracer, and native nodejs

Ruby Handlebars is a bridge to the JS Handlebars compiler.

Rails routes in your javascripts, link_to and route helper for Handlebars

Compiles HAML CoffeScript templates into a client-side JavaScript code

Hippo is a framework for writing single page web applications. It's a full stack framework that contains both server and client.