Headroom.js
Give your pages some headroom. Hide your header until you need it
Two.js
A renderer agnostic two-dimensional drawing api for the web.
Tiny Slider
Vanilla javascript slider for all purposes.
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Choo
:steam_locomotive::train: - sturdy 4kb frontend framework
React Leaflet
⚛️ React components for 🍃 Leaflet maps
Is.js
Micro check library
HTML5shiv
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
Barba.js
Create badass, fluid and smooth transition between your website's pages.
Tether
A positioning engine to make overlays, tooltips and dropdowns better #hubspot-open-source
Bookshelf
A simple Node.js ORM for PostgreSQL, MySQL and SQLite3 built on top of Knex.js
Angular Strap
AngularJS 1.2+ native directives for Bootstrap 3.
No Ui Slider
noUiSlider is a lightweight JavaScript range slider library. It offers a wide selection of options and settings, and is compatible with a ton of (touch) devices, including those running iOS, Android, Windows 8 and Windows Phone 8.
Offline
Automatically display online/offline indication to your users. #hubspot-open-source
Lozad.js
🔥 Highly performant, light ~0.9kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
Webfontloader
WebFont Loader gives you added control when using linked fonts via @font-face.