lazysizes is a fast lazyloader for images (including responsive images), iframes and scripts/widgets without any dependency. It may become also your number one tool to integrate responsive images.
jQuery.dragmove is a lightweight jQuery extension for enabling draggable functionality on DOM elements without requiring the jQuery UI library. Compatible with trackpads, touch devices, and standard computer mice.
OKVideo is a jQuery plugin that allows for YouTube or Vimeo videos to be used as full-screen backgrounds on webpages. OKVideo aims to be customizable while making some basic decisions about how the plugin...
A tutorial about creating Multilevel Toggle (accordion) Responsive Navigation Menu using jQuery.