PhoneGap: Open Source Mobile Framework support iOS, Android, Blackberry, WebOS amd Symbian.

PhoneGap is an HTML5 app platform that allows developers to author native apps with web technologies and get access to APIs and app stores. It leverages web technologies; such as HTML and Javascript.

• Build apps once with web-standards: base on HTML5, Javascript.
• Wrap it with PhoneGap: using the free open source framework or PhoneGap build to get access to native APIs.
• Deploy to mutiple platforms: bridge web apps and mobile devices.

- http://www.phonegap.com/