Framework7
Full Featured HTML Framework For Building iOS & Android Apps
Full Page.js
fullPage plugin by Alvaro Trigo. Create full screen pages fast and simple
Superagent
Ajax with less suck - (and node.js HTTP client to match)
Grapesjs
Free and Open source Web Builder Framework. Next generation tool for building templates without coding
Less.js
Leaner CSS
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.
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.
Quill
A cross browser rich text editor with an API
Cheerio
Fast, flexible, and lean implementation of core jQuery designed specifically for the server.
Ng Zorro Antd
An enterprise-class UI components based on Ant Design and Angular. 🐜
Handsontable
Handsontable is a minimalist Excel-like data grid editor for HTML & JavaScript
Jquery Handsontable
Handsontable is a minimalistic approach to Excel-like table editor in HTML & jQuery
FileSaver.js
An HTML5 saveAs() FileSaver implementation
Clipboard.js
:scissors: Modern copy to clipboard. No Flash. Just 2kb :clipboard:
Summernote
Super simple WYSIWYG editor
Highcharts
Highcharts JS, the JavaScript charting framework
Bluebird
Bluebird is a full featured promise library with unmatched performance.