If you want to build complex and scalable web applications on top of a Slide or any other compliant WebDAV enabled content repository, Projector is a good choice. There are several existing frameworks for building web applications, but Projector was designed from the ground up to serve complex and highly scalable applications backed by a WebDAV server. As Projector requires support of WebDAV transactions and notifications, at least Slide and Microsoft Exchange are supported. Since the Slide 2.1 beta 1 release Projector is part of the Apache Jakarta Slide project.