Recently Phone Gap became a popular framework for mobile development. 
Many mobile apps development companies are using PhoneGap as their development tool.
PhoneGap is a free and open source framework that allows you to create mobile apps using standardized web APIs for the major platforms.
The Most advantages of this framework are,
- No requirement of critical programming knowledge
- Supportive for all major platforms
- Supports various API’s
This framework is based on latest technologies Like HTML5, CSS3 and Javascript.
It is supports IOS, Android, Windows and Blackberry.
PhoneGap framework support various Api like
- Accelerometer
- Geo Location
- Media
- Network
- Notification
- Camera
- Storage