I stumbled upon phpUnderControl today by chance and it looks like a very interesting project which integrates:
I hope to take a closer look at it in the near future for a new project we’re lining up at work (want to help us?).
Speaking of continuous integration, for another project we installed and look after a Hudson server for a customer who is developing a Java and Cocoa application – if you’re looking for a CI tool for a Java (or other) development project, this is definitely worth a look (easy installation, nice and intuitive interface and well featured).