The objectif is to give teachers a way to monitor and help their students.
Student application
Teacher application
Teacher application focused on one student

You can clone the git then open it in visual studio.
If you have a problem with the package System.Text.Json you need to uninstall it then reinstall it.
For specific usage of the application you can see the wiki.
For the moment the only support is to make an issue.
No intensions to continue. And I would restart the project instead of continuing.
You can always fork if you want but not recommended.
My school CPNE-TI for making me start the project. My teacher for helping me when I needed.
The project has ended.