The last weeks OpenGL comes out with some good news. At first the announcement of OpenGL 3.0, which will drop backward compatibility to get better performance of modern hardware and makes development easier.
The second thing is the Linux release of the gDEBugger, a high quality OpenGL debugger and profiler. This tool will help to make your applications faster by letting you trace for performance killer and bugs.
The last thing is the release of the glslDevil, a tool for debugging the OpenGL shading pipeline.