a-table.js is a simple table UI for generating table html. It's free to use (MIT license) and supports IE 9 ~, Safari, Chrome, Firefox.
Ladda buttons concept for Bootstrap. Buttons with built-in loading indicators, effectively bridging the gap between action and feedback.
ArtDesignUI is a jQuery library for style control web elements (button, input, textarea, radio, checkbox, tab, layout, icons) that include 9 jQuery plugins.
Some inspiration for elastic components with SVG shape animations for enhanced UI interactions.
Bellows is a responsive, mobile-first accordion UI module for progressive disclosure on the web. Also Bellows supports jQuery.
WebUI Popover is a lightweight jQuery popover plugin that enchance the popover plugin of Bootstrap with some awesome new features. It works well with Bootstrap.