db4o is an object database for Java and all .NET environments. Its features include ACID transactions, automatic class schema recognition, query-by-example, a S.O.D.A. object querying API, native queries, LINQ support on .NET, callback methods, memory files, cascade-on-delete, multi-threaded access, and Java Webstart and servlet support.
SILC (Secure Internet Live Conferencing) is a protocol which provides secure conferencing services in the Internet. It can be used to send any kind of messages, in addition to normal text messages. This includes multimedia messages like images, video, and audio stream. All messages in the SILC network are encrypted and authenticated, and messages can also be digitally signed. SILC protocol supports AES, SHA-1, PKCS#1, PKCS#3, X.509, OpenPGP, and is being developed in the IETF. The software is delivered as SILC Client for end users, SILC Server for system administrators, and SILC Toolkit for application developers.
Flight Navigation Planner lets you make flight plans based on known airports, navaids, fixes, or cities. You can use the sectional charts, wacs, or the vector/terrain planning charts. It calculates headings, winds, time, and fuel. It features Airways-based Auto-Routing, Climb and Descent calculations (a/c type based), Fuel Stop Planning, Auto-Route around MOAS and Restricted Airspace, Hi-Res Weather Radar Overlay, Viewing of current sectional, wac, and IFR charts, the ability to see a route over TFRs, detailed nexrad radar overlays over your routes, Terrain Profiles with cloud ceilings, and the ability to upload flight plans to GPS.
WabbelLab is a game were one has to roll a ball through a maze without hitting one of the holes. The nice thing about this game is that it is not controlled with the keys but with help of the camera. The camera is used to determine the tilt of the phone - and the ball will always roll into the direction in which the phone has been tilted. It was developed for the Nokia 3650 but seems to work also on other phones with similar hardware like the 7650.
Bemused is a system which allows you to control your music collection from your phone, using Bluetooth. It requires a Series 60 (e.g. Nokia 7650/3650) or UIQ (e.g. P800) phone and a computer with a Bluetooth adapter. While the official server runs on Windows, third-party servers have been written for Linux and Mac OS X.
QConsole is a character terminal server over Bluetooth for Symbian devices, and a Linux and Windows terminal client. It uses the built in BlueTooth support on Symbian devices, and the userspace BlueZ Linux BlueTooth libraries. On Windows, it uses the embedded BlueTooth OS support. The QConsole server sets up an RFCOMM channel on the Symbian device and listens for connections. On the Linux and Windows side, the corresponding QTTY terminal allows a BlueTooth-enabled Linux/Windows box to connect to the QConsole server and execute a veriety of shell commands.