jQuery: simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.
Bootstrap : Build responsive, mobile-first projects on the web with the world's most popular front-end component library
Owl Carousel: Touch enabled jQuery plugin that lets you create beautiful responsive carousel slider.
Mixitup: A high-performance, dependency-free library for animated filtering, sorting, insertion, removal and more.
Flowtype: Web typography at its finest: font-size on element width.
videojs: the Player Framework
Jplayer:The jQuery HTML5 Audio / Video Library
Amplitudejs: The HTML5 Audio Player for the Modern Era