Web Home. Chandler Product Chandler consists of a Chandler Desktop, Chandler Server and Chandler Hub Sharing Service. Chandler Preview manages Notes, Messages and Events. Chandler is not a full-fledged email application. However, you can send and receive items from other Chandler users as well as set up special Chandler IMAP folders to drag emails from your favorite email application into Chandler. Jon Udell: CalDAV. Open Source Applications Foundation. CosmoTempHome. The real Cosmo home page was created in the Projects wiki after this temporary page was up for a bit. That's probably where you want to be. What is Cosmo?