WolOn-Wake on LAN is described as 'WolOn is a simple and lightweight application to help you turn on or wake your computer from your home network (Wake on LAN) or over the Internet (Wake on WAN)'. There are more than 10 alternatives to WolOn-Wake on LAN for Windows, Linux and Mac. The best alternative is Advanced Port Scanner, which is free. Other great apps like WolOn-Wake on LAN are WakeMeOnLan (Free), Wake On LAN (Free, Open Source), gWakeOnLan (Free, Open Source) and WakeOnLan (Free).
Advanced Port Scanner is a fast and free software for port scanning. It will allow you to quickly find all open ports (TCP and UDP) and detect versions of programs running on them. The utility includes many features simplifying network management.
EMCO Remote Shutdown is automatic power management software. It allows you to manage remote PCs from the central location and perform Shutdown, Wake-on-LAN, Reboot, Power Off and other operations automatically on schedule or manually on demand.