Tippyjs
Highly customizable vanilla JS tooltip/popover library
Resize Observer
Polyfills the ResizeObserver API.
Html
A simple, extensible way to work directly with the DOM.
Is Near
Calculates if the mouse position is near to a given element.
Double
jQuery plugin for hiring doubles
Nested
Gap free multi column grid
Scrob Master
Master your scroll events.
Node List.js
NodeList implementation/library - Use the Native DOM APIs as easily as jQuery
Enquire.js
Awesome Media Queries in JavaScript
Bind.js
bind.js - simple two way data binding to HTML and callbacks
Phantomjs
Scriptable Headless WebKit
Packery
bin-packing layout library
Dragula
:ok_hand: Drag and drop so simple it hurts
Jquery Sieve
Sieve is a jQuery plugin allows you to quickly add an interactive search filter to any block of content.
Persist State
jQuery Ui widget that will transparently save the state of checkboxes, inputs, selects, etc in localStorage, restoring these on the user's next visit to the page.
jQuery.lazy
A lightweight, fast, feature-rich, powerful and highly configurable delayed content, image and background lazy loading plugin for jQuery & Zepto.
Vue Js Modal
:pizza: Simple to use, highly customizable, mobile friendly Vue.js 2.0+ modal.