menu-aim is a jQuery plugin for making responsive mega dropdowns like Amazon's.
FlexSlider is an awesome, fully responsive jQuery slider toolkit.
Features
Airframe React is a free open source high quality dashboard / admin / analytics template based on Bootstrap 4 & React. It works great on any smartphone, tablet or desktop.
Also jQuery version is available.
Magic Grid is a simple, lightweight Javascript library for creating dynamic grid layouts. Magic Grid, you need to specify a container and listen for changes. Also a few other configuration options are available for convenience.
Glider.js is a blazingly fast, lightweight, responsive, unopinionated, dependency-free carousel alternative. It's inspired by Slick.js.
Conditioner provides a straight forward Progressive Enhancement based solution for linking JavaScript modules to DOM elements.
Modules can be linked based on contextual parameters like viewport size and element visibilty making Conditioner your perfect Responsive Design companion.
Navigation bar that sticks as you scroll, animating a slider which indicates the page section you are currently looking at. Written with SCSS, Javascript, and jQuery.
A nice tutorial about building a responsive table that is also keyboard accessible by using css and javascript.
Frappé Charts is a GitHub-inspired simple, responsive, modern SVG charts library with zero dependencies.
Tabella.js is a pure javascript, touch enabled, responsive table plugin. Table header is fixed only when at least some part of the table is in the viewport.
Scalable makes the elements scalable to fit inside the container area.
jsOnlyLightbox is a responsive lightbox written in plain JavaScript.
Fitty is a javascript library that scales up (or down) text so it fits perfectly to its parent container. Ideal for flexible and responsive websites.
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
jcSlider is a jQuery plugin to create responsive slider with CSS animations.