Superagent
Ajax with less suck - (and node.js HTTP client to match)
Filament
Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS and WASM/WebGL
Jimp
An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.
Platform
Reactive libraries for Angular
Dropzone
Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
Ag Grid
The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.
Local Forage
Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.
Bootstrap Datepicker
A datepicker for @twitter bootstrap forked from Stefan Petre's (of eyecon.ro), improvements by @eternicode
Showdown
JavaScript port of Markdown
Filepond
🌊 A flexible and fun JavaScript file upload library
Aos
Animate on scroll library
Rx Js
The Reactive Extensions for JavaScript
Uikit
A lightweight and modular front-end framework for developing fast and powerful web interfaces.
Lazysizes
High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
Hyperapp
1 kB JavaScript framework for building web applications.
Polymer
Leverage the future of the web platform today.