Tracks IOS, Android, Windows, and Java Me/J2ME cell phones
A cross platform, modular, C# driven, mobile computing front end.
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
Lightweight fully extendable client/server application framework
Handset Detection for Mobile Applications. Device Description Database
A multi-platform group communication framework for smartphones
a free and open map of wireless communicating objects