Is there a system (aggregator) of accounts for issuing logins to students?

Question

Passwords

Recommend a system (aggregator) of accounts for issuing logins to students, Self hosted, better Open Source. You need to store your full name, login, password, QR code, and other useful information. Using the search system, quickly find the necessary card and print it out.

Answer 1

Write to net core
Realistically it is 30 - 40 minutes of time.
I'll create for your entertainment.
Just describe the requirements:
Web server (iis apache nginx),
database (mysql mssql postgree)
type QR
Output fields.
Generation method: just a page, pdf file
Do I need to add custom fields and which ones.