Wallpaper is a jQuery plugin for smooth-scaling, element-filling backgrounds. A really simple way to add element-filling background images.
Additionally, every article on the interface will have a zoom on mouse hover effect. This zoom effect can be toggled at run time by pressing "b".
Sketch.js is an easy-to-use jQuery plugin that allows you to create canvases upon which visitors can draw. It supports multiple browsers including mobile devices (albeit with performance penalties).
Socialist is a social feed plugin that combines multiple social media feeds in one place. Use it to combine content and create a social wall from Facebook, Twitter, LinkedIn, YouTube, Pinterest, Flickr, Tumblr, Craiglist RSS and other social networks.