Gravity is light-weight software platform that is a good alternative to develop applications for various devices (PC, PDA, Smart Phones) working in various environments (J2SE, J2ME). Having small size, excellent performance and low system resources requirements Gravity platform can be easy adapted for different new languages and platforms like Eclipse, .NET, Android, Ruby etc. Adaptivity, high performance and small package size is one of the main features of the project.

Follow the links below to get detailed information:

Surprisingly don't have a Java installed on your PC ? Never mind, there is Gravity package (~ 5Mb in zip) which works as is and doesn't require a Java has installed on your PC: