J4ME is a library to help with J2ME development. It includes a UI framework for professional-looking and intuitive interfaces, a logging framework to help debugging platform-specific issues found on different phones, a Bluetooth GPS integrated into the JSR-179 Location API, and a library of missing J2ME methods and helpful collections for small devices.
Fountain 3D is a little J2ME toy and a technology demo for a custom-made 3D wireframe engine with some benchmarking abilities thrown in. The camera is fully controllable by the user together with the simple particle simulation. The software doesn't require hardware acceleration; all J2ME compliant mobiles are supported.
Moving Map provides a moving GPS map and 3D GPS logger for your Java enabled handheld. It can either use an internal GPS (such as in the Nokia N95 and BlackBerry 8800) or connect to an external Bluetooth GPS receiver. It supports vector maps and paths created in Google Earth and can export logs to Google Earth.
Watchee supports GPS location based live tracking from mobile phones which support J2ME and PDAs running Windows mobile. The track can be viewed on a Web portal. Key features are high data compression to minimize your phone provider costs, chatting, fine grained buddy permissions, sending in real time, and location bound photos.
Lampiro brings XMPP and GTalk to your mobile phone, letting you connect and chat with your friends everywhere. With the help of gateway services, Lampiro can connect you with your friends that use MSN/Windows Live Messenger, Yahoo! Messenger, and ICQ. Lampiro uses the most advanced features that XMPP offers, allowing you to interact easily and effectively with remote services.