jQuery Autocomplete
Ajax Autocomplete for jQuery allows you to easily create autocomplete/autosuggest boxes for text input fields.
Onepage Scroll
Create an Apple-like one page scroller website (iPhone 5S website) with One Page Scroll plugin
Angular Strap
AngularJS 1.2+ native directives for Bootstrap 3.
Ladda
Buttons with built-in loading indicators.
Socialite
Socialite provides a very easy way to implement and activate a plethora of social sharing buttons.
Materialize
Materialize, a CSS Framework based on Material Design
Clipboard.js
:scissors: Modern copy to clipboard. No Flash. Just 2kb :clipboard:
Bootbox
Wrappers for JavaScript alert(), confirm() and other flexible dialogs using Twitter's bootstrap framework
Spin.js
A spinning activity indicator
Semantic Ui
Semantic empowers designers and developers by creating a shared vocabulary for UI.
Bootswatch
Themes for Bootstrap
Slate
A completely customizable framework for building rich text editors.
Highlight.js
Javascript syntax highlighter
Swing
A swipeable cards interface. The swipe-left/swipe-right for yes/no input. As seen in apps like Jelly and Tinder.
J Query Selectric
jQuery plugin for easy manipulation and customization of HTML selects
Typeahead.js
A fast and fully-featured autocomplete library
Medium Editor
Medium.com WYSIWYG editor clone.