Fusiondirectory is an infrastructure manager. It allows you to manage users, groups, services, servers, workstations, and the deployment of operating systems and software. All these operations are feasible from a Web interface.
PlugUI is a sysadmin Web interface for small ARM-based devices running Arch Linux ARM. It will run on other distributions, but the package manager is geared to use pacman.
A diskless or systemless environment for client machines.
A flexible one time password authentication system with pluggable OTP algorithms and userstorages.