A simple LAN based chat application which allows multiple users to chat and share files over a local network. For Graphical User Interface customtkinter library was used.

These are the major features of this application:

• Establishes connection between multiple clients over a local network
• Allows users to transfer files
• Login/signup for chat system
• Chat history is saved

The libraries required are:

• customtkinter
• threading
• socket
• tkinter

To run the application, one host workstation on a network needs to run Server.py and after the server is active, the remanining workstations which are to be connected need to run Client.py. After that a login page will appear and user can either login or signup for the application and can join the chat.