Easter calculates and displays the day in which Easter falls in a given year. It can also display Palm Sunday, Ash Wednesday, or the full list of Lenten dates, or the number of days resting to any of these.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.