QL Shutdown is a Power management solution for organizations of any sizes.
Tool allows you to manage the power state of the large numbers of workstations by one click.
All actions can be executed by schedule, so you can obtain fully automatic power management for your organization without installing client software on the users PCs.
With QL Shutdown system administrators can easily wakeup of any remote machine to install software, patches or for any other needs. Once the administrative action is complete, you can switch the machines into a low-power mode.
Available actions:
wakeup (Wake-On-Lan), shutdown, restart, hibernate, standby, logoff, lock, popup message, ping.
Features:
create new task wizard; run actions by schedule; clientless remote access; write events in system log file; scan the network with IP range; AD search;

The license of this software is Free Trial Software, the price is $75, you can free download and get a free trial.