PortScan can find all active devices on your network. It is a freeware port scanning application that's easy-to-use.
Here are some screenshots to illustrate the features and user interface of this application:
Scan the network and discover the available services. Screenshot of PortScan - 1585px · 1811pxPort scanner with the right options. Screenshot of PortScan - 1585px · 1811pxPortScan: User interface. Screenshot of PortScan - 1585px · 1811pxScreenshot of PortScan - Size: 1585px · 1811pxScreenshot of PortScan - Size: 1585px · 1811pxScreenshot of PortScan - Size: 1585px · 1811px