JS Plumb
jQuery/MooTools/YUI3 Javascript library that lets you connect parts of your UI together.
Bookshelf
A simple Node.js ORM for PostgreSQL, MySQL and SQLite3 built on top of Knex.js
HTML5shiv
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
Tiny Slider
Vanilla javascript slider for all purposes.
Tether
A positioning engine to make overlays, tooltips and dropdowns better #hubspot-open-source
Webfontloader
WebFont Loader gives you added control when using linked fonts via @font-face.
Lozad.js
🔥 Highly performant, light ~0.9kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
Angular Strap
AngularJS 1.2+ native directives for Bootstrap 3.
Offline
Automatically display online/offline indication to your users. #hubspot-open-source
Moveable
↔️ ↕️ 🔄 Moveable! Draggable! Resizable! Scalable! Rotatable!
Gl Matrix
Javascript Matrix and Vector library for High Performance WebGL apps
React Leaflet
⚛️ React components for 🍃 Leaflet maps
Parallax
Parallax Engine that reacts to the orientation of a smart device
Carlo
Web rendering surface for Node applications
Barba.js
Create badass, fluid and smooth transition between your website's pages.
Push.js
The world's most versatile desktop notifications framework :earth_americas:
Cropper
A simple jQuery image cropping plugin.