CodeRunner 2.1

CodeRunner is the easiest way to write code on your Mac. You can run code in almost any language instantly, and you'll be surprised by the powerful set of features in such a lightweight and easy-to-use editor.
CodeRunner can run code in 20 languages out-of-the-box, and can be easily extended to run code in any other language.

The editor features full-blown IDE-level code completion for most languages, and lots of other high-end features making it easier than ever to write and work with code. Please visit coderunnerapp.com for more information.