Download Free Payroll Management System in Python Using Tkinter GUI with Source code. Python Projects with Source code. Payroll Management System is a simple project developed in Python. Payroll Management System contains a Python Script (payrollmanagementsystem.py). Payroll Management System is a simple GUI based Desktop Application in Tkinter which is user Friendly and very easy to understand. There is just a admin side in this project. This Project is very helpful for any staff to get their accurate pay data. There is no Login System in this Project. This Project is very useful for educational purpose.