gDEBugger is a powerful OpenGL debugger and profiler that traces application activity on top of the OpenGL API so you can find bugs and optimize application rendering performance. The new v2.5 contains the first publci bDEBugger ES beta version and brings all of gDEBugger's debugging and profiling abilities to the OpenGL ES developer's world. In addition gDEBugger ES acts as an emulator for OpenGL ES when working on Windows PC while using its own OpenGL ES implementation. gDEBugger is available as a 30-day free trial. To test the OpenGL ES debugger, follow the steps at http://www.gremedy.com/gDEBuggerES_setup.php).