ezTerm is a program that can send text or hexadecimal data via TCP socket, and is developed by Sollae Systems Co.,Ltd.
This app can be used to test the protocol of network equipments or to access the server console for maintenance and other purpose.
Sollae Systems(https://www.eztcp.com) is a specialized company in industrial TCP/IP solutions and provides solutions called ezTCP and PHPoC.
1. ezTCP
ezTCP can help serial communication devices to connect to wired or wireless network or control its digital I/O over TCP/IP netwrok.
Serial Networking: http://www.eztcp.com/en/solution/serial_networking_solution.php
Remote Digital I/O Control: http://www.eztcp.com/en/solution/io_solution.php
Console Server: http://www.eztcp.com/en/solution/console_server_solution.php
2. PHPoC
PHPoC is an IoT solution which was developed to be used in IoT environment with various devices in order to support customers needs.
Though Anyone can directly implement every funtion in the directions they want using a variety of devices.
When you are frustrated because of the limited functions provided by device manufacturers, or when you want to implement your own original ideas, the best answer will be PHPoC.
PHPoC Homepage: http://www.phpoc.com/index.php
PHPoC Forum: http://www.phpoc.com/forum/