What are some alternatives?
When comparing XRebel and Eclipse, you can also consider the following products
Apache JMeter - Apache JMeter™.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Loader - Load testing and tracking application
Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
JRebel - Reload code changes instantly w/ JRebel. Stop redeploying in Java development & Save 10 minutes of every hour coding. Get JRebel Today - Free Trial!
Xcode - Xcode 4 is the new version of Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.