Titanium 3.0 is Appcelerator's biggest release ever, with over 1,000 enhancements to increase productivity. It introduces the Alloy MVC framework to write less code and build richer apps more simply and reusable. It also includes a Command Line Interface, on-device debugging, accessibility support, and Node.ACS integration to build custom backend services. Key goals of Titanium 3.0 are to help beginners get started more easily and provide experienced developers with better tools.