The Son of last.fm
The Son of last.fm is a local server version of the statistical database of last.fm. The statistics are improved as this version is not build to support a huge number of concurrent users. The Son of last.fm is released under the GPL.
Please note that this is a server application and requires a php enabled webserver and a database in order to work. It is made with multiple users and/or client machines in mind. For a single user with one machine there are better options elsewhere.
jStock a tool for technical analysis of stock charts written in java. jStock is released under the modified BSD license.
Ex Ponto is the a very virtual company. The name is Latin for the Black Sea. The main purpose of Ex Ponto is to take away the spare time of it's founder. And so far it's been quite a success.