Tether
A positioning engine to make overlays, tooltips and dropdowns better #hubspot-open-source
Enquire.js
Awesome Media Queries in JavaScript
Rye
A modern, lightweight browser library using ES5 natives
Dragula
:ok_hand: Drag and drop so simple it hurts
Do Mtastic
Small & fast DOM and event library for modern browsers.
Fastdom
Eliminates layout thrashing by batching DOM read/write operations
Kimbo.js
An ECMAScript 5 only-compatible JavaScript library.
Jquery Waypoints
Waypoints is a small jQuery plugin that makes it easy to execute a function whenever you scroll to an element.
Double
jQuery plugin for hiring doubles
State
Hierarchical finite state machine for TypeScript and JavaScript
Is Near
Calculates if the mouse position is near to a given element.
Js Coroutines
60fps with Javascript Coroutines for idle processing and animation
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.
Html
A simple, extensible way to work directly with the DOM.
Interact.js
Drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers (and also IE8+)
Set Dom
📑 Lightweight dom diffing with plain old html.
Elements
E+lements is a minimal DOM Library for the prime framework.