Desktop Central packages 11 handy tools for sysadmins
Desktop Central is a handy application that packages several useful utilities for sysadmins, including remote task management, software inventory, remote command prompt, wake on lan, and remote shutdown/restart. Reporting tools (users/groups, disk space, inventory) support exporting their results to CSV or plain text.
The tools are most useful in a domain setting, though several of them will work just fine in a workgroup setup as well.
Desktop Central is free, but you will have to put up with an advertisement for Manage Engine's enterprise software on the main screen. It's a minor distraction, and doesn't appear elsewhere.