Serial Port Tool focuses on RS232 & Network communication software.
N-Button
$169
N-Button Preofessional version creates UNLIMITED widgets that float on your desktop to control external devices, send specified data, run applications, send http requests or send data lists. It supports Serial Port/ USB and Network connection between a PC and devices.
N-Button makes it possible to control relay controller boards of National Control Devices without any programming!
N-Button Professtional suports UNLIMITED widgets.
If you need less widgets, you can use N-Button Lite. It supports up to 8 widgets.
If you have purchased N-Button Lite version, you also can  Upgrade to N-Button Professioanl version.
It's very easy to creat and modify widgets by N-Button Manager. There are five types of widgets, Relay Button, Relay Status, A/D Meter, Customized Button and Static Label.
  • Relay Button widgets are used to turn relays on/off directly. It was never so easy to control relays!
  • Relay Status widgets are used to display status of the relay automatically.
  • A/D Meter widgets are used to read and show the value of A/D channel automatically.
  • Customized Button widgets can be set to send specified command data to any connected devices besides relay boards. It can be set to open a file, a folder or a program, run any application or send http request. It also supports send data list. A group of data can be sent to serial port or IP address just by clicking the created button.
  • Static Label widgets allow you to show static text or image on your desktop.
N-Button Widgets
Virtual Key Fob Christmas Widget
Create Virtual Key Fob with N-Button Create Christmas Widget with N-Button

FAQ

How to Create Relay Button Widget
How to Create A/D Meter Widget
How to Create Customized Button to Control Your Device
How to Create Customized Button to Send Data List File

How to Create One Button Timer  
How to Create 1-Button Virtual Key Fob 
How to Create 2-Button Virtual Key Fob
How to Create Christmas Application
How to Send Commands to Multiple IP Address

Control Relay Boards of National Control Devices without any programming!
Bluetooth Relays

BluetoothBluetooth Relays
Ethernet Relays

EthernetEthernet Relays

ZigBee Relays

ZigBeeZigBee Relays


RS232 Relays

RS232RS232 Relays


USB Relays

USBUSB Relays


Wi-Fi Relays

Wi-FiWi-Fi Relays