EMCO Remote Registry Exporter is a free tool that allows exporting registry keys or backing up the entire registry from network PCs.
Password Assistant is a free tool that allows you to change the password on multiple computers in your network easily.
This post describes a workaround that allows you to install RSAT on Windows 7 SP1.
This post discusses the free and cost-based virtualization solutions WineBottler, VirtualBox, and Parallels Desktop that allow you to run Internet Explorer on Mac OS X.
Designed to be used in large corporate networks, a free Wake-on-LAN utility from EMCO allows network administrators to wake up multiple remote PCs.