Lity is a ultra-lightweight, accessible and responsive lightbox plugin which supports images, iframes and inline content out of the box. It requires jQuery or Zepto
Cloud 9 Carousel is a 3D perspective carousel for jQuery/Zepto focused on performance.
Trial.js is a simple library to monitor mouse position and predict user input.
Oh Snap! is a simple jQuery/Zepto notification library designed to be used in mobile apps.