I've been working with ClockingIT, the interface is good and easy to understand, you can use the hosted version or setup on your own server. http://www.clocking

I've been working with ClockingIT, the interface is good and easy to understand, you can use the hosted version or setup on your own server. http://www.clockingit.com http://www.clockingit.com disclaimer : I don't work for them :) it's a full opensource , created with RoR