A powerful, interactive charting and visualization library for browser
An easy-to-use multi SQL dialect ORM for Node.js
Simple HTML5 Charts using the <canvas> tag
Realtime application framework for Node.JS, with HTML5 WebSockets and cross-browser fallbacks support.
Simplified HTTP request client.
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.
A query builder for PostgreSQL, MySQL and SQLite3, designed to be flexible, portable, and fun to use.
Handsontable is a minimalistic approach to Excel-like table editor in HTML & jQuery
PouchDB is a pocket-sized database.