WebObjects is Apple's enterprise framework for developing scalable Web applications using proven object-oriented design principals. Because it is written in Java, after you build your application on the Mac you can deploy it most anywhere, running it stand-alone or combined with other application servers.
What's new in this version:
WebObjects 5.4.3 is an update release for the version of WebObjects included in the Mac OS X Leopard tools. This release addresses issues in the areas of runtime database interaction, Direct to Web, and field validation, among others. This update can be installed on Mac OS X 10.5.3 or later with Xcode 3.1 or later version of the Developer Tools installed.