http://ideone.com/sphere-engine-widget

Download Your IDE Widget
The widget for compiling and running source code in a web browser

Loaded with outstanding features
IDE Widget snapshot:

Easily embeddable on any website with a short JavaScript code
Access to over 80 programming languages
Built-in examples and source code templates
Meticulously designed and built for education, training and candidate recruitment screening
Leverage a wide range of use cases, such as:

Conducting recruitment interviews: with the ability to run code written by candidates.
Hosting e-learning programming courses: enriched with executable program examples
Blogs about programming and technologies: Complement your blog content with an interactive on-site coding playground.
Embed your own IDE Widget on your website or blog
Sign up at Sphere Engine to get the widget code