Searching for more HOpenGL information? Check out the following links. They were very important for me in order to create this tutorial. If you own (or know) a site that concerns about HOpenGL, but it is not included here, do not hesitate in sending me a message. I also would appreciate if you tell me if you find a broken link.
Note: a lot of links refers to sites that concern about OpenGL, rather than HOpenGL. The reason for this is that there is not a large amount of information about HOpenGL avaiable in the web, so sometimes you'll need to translate between OpenGL and HOpenGL in order to find what you are searching for.