DAViCal Software Description
DAViCal is an open source calendar sharing tool that allows anyone to share their calendar with friends, family, and coworkers. It gives you the power to hold appointments, events, and tasks in your own system but still share them with others who can access them using a browser and a Web Calendar client. You can share any number of public and private calendars while keeping your personal information private. Fast and easy to install, it is available as a web interface and a stand-alone calendar server for free download.
DAViCal is a server that can be used to share your calendar. The core features of this software include free hosting, iCal, HTML, and CSV interface, support for multiple calendars, calendar groups, and Synchronization over any HTTP(S) or SOAP API. It is currently running a project to add the feature of regularly updating calendars for the users who have published their calendars using DAViCal. Overall it’s the best CalDAV server.