The IntelliWidget Responsive Menu lets you break free from your theme’s built-in responsive menu options and gives you complete control over the mobile user experience.
Inspired by jQuery Mobile’s panel functionality, it uses its own lightweight (6k) jQuery library to accomplish a similar effect without the custom coding required for a jQuery Mobile site.
A Responsive Menu Plugin Designed for Flexibility
IntelliWidget Responsive Menu comes pre-configured for many popular themes (including the default WordPress themes back to Twenty-Ten). For example: