# Information

* [Opal Homepage](http://opalrb.org/)
* [Opal Documentation](http://opalrb.org/docs/)
* [Opal on Twitter](https://twitter.com/opalrb)
* [Opal on Stack Overflow](http://stackoverflow.com/search?q=opalrb)
* [Opal on Gitter](https://gitter.im/opal)
* [Opal Mailing List](https://groups.google.com/forum/#!forum/opalrb)
* [Opalist Newsletter](http://opalist.curated.co/)

# Tools & Libraries

* [Opal Organisation on Github](https://github.com/opal)
* [Opal corelib](https://github.com/opal/opal/tree/master/opal/corelib)
* [Opal stdlib](https://github.com/opal/opal/tree/master/stdlib)
* [Opal CDN](https://github.com/opal/opal-cdn) - CDN for the Opal library
* [Opal React](https://github.com/zetachang/react.rb) - Ruby wrapper of React.js library
* [Opal Node](https://github.com/opal/opal-node) - A nodejs file is now available directly in the stdlib
* [Opal Jquery](https://github.com/opal/opal-jquery) - opal-jquery offers a nicer ruby-like syntax for JQuery
* [Opal Rails](https://github.com/opal/opal-rails)
* [Opal Browser](https://github.com/opal/opal-browser)
* [Opal Rspec](https://github.com/opal/opal-rspec)
* [Opal Haml](https://github.com/opal/opal-haml)
* [Opal Activesupport](https://github.com/opal/opal-activesupport)
* [Opal IRB](https://github.com/fkchang/opal-irb)
* [Opal Repl](https://github.com/opal/opal/blob/master/bin/opal-repl)
* [Opal Slim](https://github.com/jgaskins/opal-slim) - Opal-Slim is a set of Opal bindings for the Slim templating language
* [Opal Rafael](https://github.com/yhara/opal-raphael) - Opal bindings for `raphael.js`
* [Opal Native](https://github.com/zetachang/opal-native) - React Native in Ruby (proof of concept)
* [Opal Pixi](http://spin.atomicobject.com/2013/11/05/opal-ruby-browser/)

# Example
* [Sinatra Example](https://github.com/opal/opal/tree/master/examples/sinatra)
* [Rack Example](https://github.com/opal/opal/tree/master/examples/rack)
* [React Example](https://github.com/zetachang/react.rb/tree/master/examples/react-tutorial)
* [React JSX](https://github.com/zetachang/react.rb/tree/master/examples/basic-jsx)
* [React Todos](https://github.com/zetachang/react.rb/tree/master/examples/todos)

# Demos
* [Opal IRB](http://fkchang.github.io/opal-irb/index-embeddable.html)
* [Opal Canvas Demo](https://github.com/danxexe/opal-canvas-demo)
* [Opal Inspector](https://www.youtube.com/watch?v=TRkhihHVLzQ)
* [Opal Pixi](http://spin.atomicobject.com/2013/11/05/opal-ruby-browser/)

# Frameworks
* [Front-end web framework in Ruby using Opal](https://github.com/clearwater-rb/clearwater)
* [Opal Vienna](https://github.com/opal/vienna) MVC framework
* [Lisso Framework for Opal](https://github.com/meh/lissio) - Little bit like Rails app `lissio new <path>`
* [Clearwater Framework for Opal](https://github.com/clearwater-rb)
* [Volt](github.com/voltrb/volt)

# Useful posts
* [Limitations](http://stackoverflow.com/questions/23959511/what-are-the-limitations-of-opal/24004528#24004528)
* [Isomorphic Development with Ruby and Volt](http://www.slideshare.net/ryanstout/volt-2015?related=1)
* [Opal Performace & Math Operations](https://github.com/opal/opal/issues/520)
* [JSReact vs Opal React Performance Tests](https://jsperf.com/js-react-vs-opal-react/6) (Currently failing on Opal include)