This is g.komasin.com. Most likely, you want to Login so that you can use the system.
This is an actively developed proprietary learning management system (LMS).
This system has been used since 2014 to manage approximately 100 university classes.
It can manage student assignment (homework, quiz, test) submissions and provide grades and feedback for each individual student for each individual question.
It can also manage classes in realtime by enabling instructors to grade student participation.