It is based on online examination. Anyone can make a exam and anyone or added users can give the exam, also according to the categories you can give exams. Marks will be notified.I've built Online Exam working for 2 months and still one part is remain to complete.
It is written entirely in HTML/CSS/JS/Mongoose and MEAN Stack. Live link at http://online-xam.herokuapp.com/
Sign Up page for both students and teachers.You have to fill required details for sign up.After that you can go to student or teacher page where you want to login.
It's dashboard where details of all exams can be seen and you can seen how many exams are in progress or upcoming or completed.
Here, you added the details of exams and according to your start and end time date of exam it calculated total time peroid of exam.
Here, you can add questions like Objective,true-false,MCQ and set marks to each questions and there answer also.
Here,you get final exam paper or sheet.You can save it or add new group of users or previous saved one groups also.
Here, you can add users to group.Type result of all users are shown in dynamic way or you can add user to group.
These are basic features of my work, there are others also you can check it on given link http://online-xam.herokuapp.com/