When I have enough free time and I get motivated enough, it happens that I work on some personal projects. Sometimes just for fun, sometimes because I need it, and sometimes to get rich and famous and conquer the universe. What ? No, wait, maybe not that.
Event charts
A website that uses Last.fm API to create charts based on events (your concert history and so on).
Google Chart PHP Library
An object-oriented library to easily query Google Chart API and create charts.