kOOL is a feature rich, Web-based church administration software for managing addresses and address groups, events, reservations, rota planning, newsletters, donations, and Web folders using webDAV. Data can be exported to LDAP or iCal in real time. TYPO3 extensions can be used to interact with kOOL data such as event subscriptions, calendar display, address lists, and sermon downloads.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.