Good Gear Guide
In Pictures: 10 top Mobile Application Development...
Based on Eclipse, Appcelerator's Titanium mobile platform is a free download with preintegrated cloud services and an extensive library of application extensions in its module marketplace. It's a good fit for organizations that need to do multi-OS application development leveraging Web-based skill sets. Appcelerator recently partnered with SAP, giving SAP customers the capability to use Titanium to build and integrate with SUP.
In Pictures: 10 top Mobile Application Development Platforms