LanHelper 

Scan network with a powerful engine. Boot or shut down or lock your PCs. Execute commands remotely. Capture screen or manage processes remotely and more. Monitor servers' availability in LAN/WAN. No server program needed. Support XML.
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RSHUT PRO 

RSHUT may do all your daily work concerning computer power management. Use this to shutdown/reboot your computer or remote computers over your network/Internet instantly,schedule your actions.Supports password protection and many additional features
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NetworkGazer 

Lookup network shares, event logs, Internet history, pc ids, IP to MAC address to user, disk drives, processor, network adapter, schedule tasks (not only AT), open ports, shutdown/reboot, wake a PC with WakeOnLan (Wake-On-Lan) & network documenting.
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