Hapi
The Simple, Secure Framework Developers Trust
Packery
bin-packing layout library
Domready
let's you know when the dom is ready
Porthole
A proxy to safely communicate to cross-domain iframes in javascript
jQuery Evergreen
Small & fast DOM and event library for modern browsers.
Bespoke.js
DIY Presentation Micro-Framework
Bonzo
library agnostic, extensible DOM utility
Eqcss
EQCSS is a plugin that introduces Element Queries, Scoped CSS, a Parent selector, and responsive JavaScript to all browsers IE8 and up
Do Mtastic
Small & fast DOM and event library for modern browsers.
Vue Js Modal
:pizza: Simple to use, highly customizable, mobile friendly Vue.js 2.0+ modal.
Turbolinks
Turbolinks makes navigating your web application faster
Gliojs
Exit popup easely. Detects if the mouse of a user leaves the viewport borders of your website
jScrollPane
Pretty, customisable, cross browser replacement scrollbars