Mag.js
MagJS - Modular Application Glue
Minified.js
Replace jQuery or MooTools with a <4kB Library
Mootools Core
MooTools Core Repository
Enquire.js
Awesome Media Queries in JavaScript
Ac Colors
ac-colors is a reactive JavaScript color library that can freely convert between RGB, HSL, HEX, XYZ, LAB, LCHab, LUV, and LCHuv, as well as handle random color generation and contrast ratio calculation.
Turbolinks
Turbolinks makes navigating your web application faster
Dragula
:ok_hand: Drag and drop so simple it hurts
Design Blocks
A set of 170+ Bootstrap based design blocks ready to be used to create clean modern websites.
Nested
Gap free multi column grid
Atom
Atom javascript framewok
Rando.js
The world's easiest, most powerful random function.
React Virtualized
React components for efficiently rendering large lists and tabular data
Tether
A positioning engine to make overlays, tooltips and dropdowns better #hubspot-open-source
jQuery Evergreen
Small & fast DOM and event library for modern browsers.
Eqcss
EQCSS is a plugin that introduces Element Queries, Scoped CSS, a Parent selector, and responsive JavaScript to all browsers IE8 and up
Vue Js Modal
:pizza: Simple to use, highly customizable, mobile friendly Vue.js 2.0+ modal.
Interact.js
Drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers (and also IE8+)