Easily create apps using the web technologies you know and love: HTML, CSS, and JavaScript.
PhoneGap is a free and open source framework that allows you to create mobile apps using standardized web APIs for the platforms you care about.

Test Your Website at Different Screen Resolutions

A super micro tiny DOM library for authoring HTML5 mobile web applications.

‘320 and Up’ is a lightweight, easy to use and content first responsive web design boilerplate.

Streeme can serve music to most HTML5 compliant browsers and smartphone handsets using the computer you already own.

It displays a menu with links that load other bookmarklets including Firebug Lite, Page Resources, DOM Monster, SpriteMe, and CSSess. The Mobile Perf menu is updated as new bookmarklets are released - so you get the latest tools automatically.

The goal of this document is to aid the development of rich and dynamic mobile Web applications. It collects the most relevant engineering practices, promoting those that enable a better user experience and warning against those that are considered harmful.

jQuery Mobile is a HTML5-based user interface system designed to make responsive web sites and apps that are accessible on all smartphone, tablet and desktop devices

The mobiReady testing tool evaluates mobile-readiness using industry best practices & standards.