Davkit

A Cocoa framework for talking to WebDAV servers DAVKit is a Cocoa framework for communicating with WebDAV servers. It supports downloading, uploading, copying, moving, and deleting files and folders, all asynchronously. By subclassing DAVRequest, you can extend the existing support for WebDAV... Platforms: Mac

MobileMeFramework allow to retrieve the synchronized datas on a MobileMe account. It work currently for Contacts, Calendars and Bookmarks. Use DotMacSyncManager and DAVKit, two Apple private frameworks. Read only for the moment. Under GPL licence. Platforms: Mac