.Play vs CCalendar

.Play is a video platform that allows users to easily create and share interactive videos. It has features for adding quizzes, annotations, calls-to-action, and more to make videos more engaging.

CCalendar is an open-source calendar and scheduling application. It allows users to manage events, appointments, and reminders in a visual calendar interface. Key features include calendar views, drag and drop scheduling, recurrence settings, calendar sharing and permissions.