Two.js
A renderer agnostic two-dimensional drawing api for the web.
Tiny Slider
Vanilla javascript slider for all purposes.
Choo
:steam_locomotive::train: - sturdy 4kb frontend framework
React Leaflet
⚛️ React components for 🍃 Leaflet maps
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Tsparticles
tsParticles - Easily create highly customizable particles animations and use them as animated backgrounds for your website. Ready to use components available for React.js, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Inferno, Solid, Riot and Web Components.
Surveyjs
JavaScript Survey and Form Library
Is.js
Micro check library
HTML5shiv
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
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.
Bookshelf
A simple Node.js ORM for PostgreSQL, MySQL and SQLite3 built on top of Knex.js
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.
Tether
A positioning engine to make overlays, tooltips and dropdowns better #hubspot-open-source
Offline
Automatically display online/offline indication to your users. #hubspot-open-source
Barba.js
Create badass, fluid and smooth transition between your website's pages.