Project-based Calendaring System

This is a Web-based calendaring system designed for project management on group environment. Some of its current features include: User authentication using PHP authorization and session management, A separate administration part for Admins, User and project management for admin users in the administration section, Appointments can be made for multiple persons, Appointments are checked if any attendees are selected, Appointments are checked if a duration is selected, Appointments can be edited afterwards on all settings, Appointments can be deleted, There is a day and a week overview, A small month overview for picking dates quickly, and A user picker enabling you to view one or more persons a time.