Full-sized drag & drop event calendar
Calendar web app in HTML CSS JS - Installable and offline capable.
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Tool for PIM, mind-mapping, quality-management, knowledge-base.
Scheduler is a simple web app to track events and make schedules.
Birthdays and other events reminder
Server Side (PHP Based) Colorable Jalali Calendar