Calendarserve
Calendarserver is a free and open-source server software that implements the CalDAV protocol, allowing users to share and synchronize calendars. Developed by the same team that created Mailman and known for their contributions to GNUstep, Calendarserver is designed to be a robust and scalable solution for calendaring needs. It provides functionality for managing events, to-do lists, and other calendar-related data across multiple devices and users.
The core of Calendarserver's offering lies in its adherence to open standards, primarily CalDAV. This ensures
Calendarserver is typically deployed on a server and can be integrated with other services. It supports features