Simple - Encrypted chat application written in CSharp.

When the application is first opened, select the color you want, which will prompt you to choose a color.

In the second step, it will ask for your own ip address and the port you opened.

In the third step, it will ask for the IP address to which you will connect and the port to which the data will be sent. After entering them, you can start chatting.

However, the data sent will be encrypted. You can use Freya chat decryptor for that. The key is embedded in it. When you directly enter the text, it will decrypt and give you the password.