You can test LAM (Pro) here before installing it. The development installation allows to preview features of the next release. This installation is updated daily.
The password to login is "lam".
Demo server - last stable release of LAM Pro
Demo server - development installation (unstable)
Server profiles:
You can create some test users in the LAM admin interface (links above) and then edit them via the following self service profile: Self service
Use the Unix login name and password of your newly created accounts to login.