Editly is a tool and framework for declarative NLE (non-linear video editing) using Node.js and ffmpeg. Editly allows you to easily and programmatically create a video from a set of clips, images, ...

jQTouch is a JavaScript plugin which works with either Zepto.js or jQuery, and comes with smooth animations, navigation, and themes for mobile WebKit browsers (as found in iOS, Android, BlackBerry, ...