Daikon was created a while ago as a simple customer support time tracking application. Daikon2 evolved to a project manager which you can add your logs, specs and file links. And it has some Ajax function as well.
You can play around with the demo. The demo will be reset every thirty minutes.
Demo
Login details
email 1: cus7(a)gmail.com and pw: anneanne
email 2: cus2(a)gmail.com and pw: tonjetonje