'Unpaid' is an open-source application, you can download and install it.

I created this application to manage the unpaid bills of my customers.

This application is based on MentDB Weak (MDBW) - Smart Earth tool & Artificial Intelligence.
Discover all of my 17 years of research and development ...

Download 'v_1.0.0' (works with MDB_2.4.0)
shasum: 5c0e2efc2746521ac2d5f682c3f8aea2f7653e26

Install:

• Download and Install MDB_X.X.X (Choose the right version)
• Start a MQL Editor
• Unzip the file 'unpaid_X.X.X.mql.zip'
• Copy the MQL source code from the file 'unpaid_X.X.X.mql'
• Paste the MQL source code into the MQL Editor
• Execute the MQL source code
• Your application is ready!
• Go to https://localhost:9999
• Click on 'Unpaid'
• Login 'system', password 'pwd'
• Enjoy!

Screenshot: