Plans is a PERL based script, which can be used as a web calendar. It is CSS based, so the users can match the fonts and colors with their website. single installation is enough to produce many calendars. Plans allows multiple languages and it uses HTML templates for easy use. Management interface of plans is a customizable one. Using this calendar users can share their schedules with others. Plans can store all the calendar details in a MySQL data base as well as a flat file.