-- "That's pretty bad ass." -- Jeremy Ashkenas

    HTML5 Shell
    Everything you can do in a browser. In a shell.

    Fully Varnished
    Use CoffeeScript and Markdown for everything.

    CoffeeScript Tracebacks
    You never need to debug compiled JavaScript.

    Built on Ace
    Supports multiline input, syntax highlighting and everything
    else that Ace does.

    Hackable
    Edit scripts in local storage, including a config file that gets
    executed each time the shell loads.

    Gist Integration
    Publish, push and clone scripts through GitHub. All published
    scripts can be cloned by every user.

    Show Off
    There's a special version of the shell you can share by URL. It
    allows anyone to wrap published gists as little, standalone web
    scripts. You can share example code, like JSFiddle, or just do
    Astroids again.

    Shell Foo
    Cosh defines a small collection of functions that use Coffee's
    optional brackets, providing an API that's like shell scripting,
    but more ninja.

    Sweet Runtime
    The SugarJS Library is applied wholesale, so native types all
    have awesome methods out the box. You also have jQuery
    and a ton of other stuff available.

    Documented
    Built in, interactive documentation.

    Self Compiling
    Cosh is able to build itself from source on page load, so you
    can hack on it without installing any dependencies, even on
    Windows.

    Free and Free
    Free to use and GPL licensed.

    shell: https://shell-cosh.appspot.com/
    project: https://github.com/carlsmith/coffeeshop