Clipboard.js
:scissors: Modern copy to clipboard. No Flash. Just 2kb :clipboard:
Request
Simplified HTTP request client.
Semantic Ui
Semantic empowers designers and developers by creating a shared vocabulary for UI.
Html2canvas
Screenshots with JavaScript
Jquery Handsontable
Handsontable is a minimalistic approach to Excel-like table editor in HTML & jQuery
Handsontable
Handsontable is a minimalist Excel-like data grid editor for HTML & JavaScript
Handlebars.js
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration. An extension to the Mustache templating language created by Chris Wanstrath.
Flux
Application Architecture for Building User Interfaces
Plotly.js
The open source javascript graphing library that powers plotly
FileSaver.js
An HTML5 saveAs() FileSaver implementation
Ag Grid
The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.
Selectize.js
Selectize is the hybrid of a textbox and <select> box. It's jQuery based and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc.
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
Bluebird
Bluebird is a full featured promise library with unmatched performance.
jQuery File Upload
File Upload widget with multiple file selection, drag&drop support, progress bars and preview images for jQuery. Supports cross-domain, chunked and resumable file uploads and client-side image resizing. Works with any server-side platform (PHP, Python, Ruby on Rails, Java, Node.js, Go etc.) that supports standard HTML form file uploads.
Phantomjs
Scriptable Headless WebKit