Two.js
A renderer agnostic two-dimensional drawing api for the web.
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Tiny Slider
Vanilla javascript slider for all purposes.
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.
Offline
Automatically display online/offline indication to your users. #hubspot-open-source
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.
Lozad.js
🔥 Highly performant, light ~0.9kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
Gremlins.js
Monkey testing library for web apps and Node.js
Surveyjs
JavaScript Survey and Form Library
Webfontloader
WebFont Loader gives you added control when using linked fonts via @font-face.