利用閒置的鍵盤燈號顯示網路活動 - Network Lights，此軟體利用ScrollLock及NumLock的這個鍵的鍵盤顯示燈號來顯示上傳及下載的網路燈號，算是一種有趣又廢物利用的工具。（阿榮）
下載連結→ https://www.azofreeware.com/p/network-lights.html
官方網站：IT Samples
軟體性質：免費軟體
介面語言：英文
系統需求：Windows
關鍵字：NetworkLights, NetworkLightsNoinstall
阿榮評語：
[2009.12.09] 經測試，此軟體1.1版運作時對於鍵盤打字會有干擾。(鄉民提供的展示影片)
Network Lights is a Windows program, which blinks keyboard LEDs (Light Emitting Diode) indicating outgoing and incoming network packets on network interface. Network Lights lets you monitor network activity (upload/download) from your keyboard ScrollLock and NumLock indicators. Each LED will flicker when network traffic is detected.