<p>Is it at the state where it is actually useful and can do more than rename classes?</p>

CDT (C/C++ Development Tools - eclipse project) 5.0 has a bunch of new refactorings
```
```
* Declare Method
* Extract Baseclass
* Extract Constant
* Extract Method
* Extract Subclass
* Hide Method
* Implement Method
* Move Field / Method
* Replace Number
* Separate Class
* Generate Getters and Setters
```
```
There is a CDT refactoring
wiki