Modbus examiner is a TCP Modbus client tool, built from the ground up with newer software technologies and modern user interface. The main purpose of the tool is to read and write data from and to TCP Modbus slave devices. The tool is capable of performing periodic data pulls to keep your readings up to date.
The GUI is built with the WPF framework, while the code behind is written in C# with .NET 4.6
Website: http://www.minaandrawos.com/tcp-modbus-examiner-tool/