Realtime MVC Framework for Node.js
Jade - robust, elegant, feature rich template engine for nodejs
Scriptable Headless WebKit
PouchDB is a pocket-sized database.
Phaser is a light-weight 2D game framework for making HTML5 games for desktop and mobile browsers
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.
Super simple WYSIWYG editor
🚀 飞冰 - 让前端开发简单而友好，海量可复用物料，配套桌面工具极速构建前端应用，效率提升 100%
A datepicker for @twitter bootstrap forked from Stefan Petre's (of eyecon.ro), improvements by @eternicode
Free and Open source Web Builder Framework. Next generation tool for building templates without coding
Handsontable is a minimalistic approach to Excel-like table editor in HTML & jQuery