Leave Management System Class Diagram describes the structure of a Leave Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Leave Management System are Company, Branch, Report, Leave, Notification, Employee.

Library Application System Class Diagram describes the structure of a Library Application System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Library Application System are Student, Book, Publisher, Address, Expiry, Supplier.

Library Information System Class Diagram describes the structure of a Library Information System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Library Information System are Student, Book Maintenance, Fees Collection, Membership Management, Facilities, Member.

Library Inventory System Class Diagram describes the structure of a Library Inventory System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Library Inventory System are Student, Store, Category, Author, Member, Address.

Library Management System Class Diagram describes the structure of a Library Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Library Management System are Student, Books, Issues, Librarian, Member, Address.

Live Photo Galary Portal Class Diagram describes the structure of a Live Photo Galary Portal classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Live Photo Galary Portal are Images, Types, Downloads, Categories, Login, Uploads.

Login Authentication System Class Diagram describes the structure of a Login Authentication System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Login Authentication System are Username, Password, Email, Changing Password, Permission, Groups.

Login System Class Diagram describes the structure of a Login System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Login System are Username, Password, Login, Programmer, Change Password, Permission.

Mailing System Class Diagram describes the structure of a Mailing System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Mailing System are Mailbox name, Domain name, Userdata, Subject, Messagedata, MailserverAdress.

Marrige Buero Management Class Diagram describes the structure of a Marrige Buero Management classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Marrige Buero Management are Partners, Registration, Contact Profile, Photograps, Documents Support, Multipile Types.