Tutorial(GLUT + Linux): http://www.lighthouse3d.com/tutorials/glut-tutorial/initialization/

Tutorial(Freeglut, SDL): http://lazyfoo.net/tutorials/OpenGL/index.php

Display Listen 1: http://www.lighthouse3d.com/opengl/displaylists/index.php?2

Display Listen 2: http://www.lighthouse3d.com/opengl/displaylists/index.php?2

Skeletal Bone Animations: http://content.gpwiki.org/index.php/OpenGL:Tutorials:Basic_Bones_System

Loading Textures(BMP): http://ccpssolutions.com/nogdusforums/index.php?action=printpage;topic=342.0

Loading MD5-Models+Animations: http://3dgep.com/?p=1053

Sound: http://www.kekkai.org/roger/sdl/mixer/

Culling 1: http://www.lighthouse3d.com/tutorials/view-frustum-culling/

Culling 2: http://www.sjbaker.org/steve/omniv/frustcull.html

simple model loading: http://www.opengl-tutorial.org/beginners-tutorials/tutorial-7-model-loading/#top

Display listen: http://www.songho.ca/opengl/gl_displaylist.html

allg: http://www.3dsource.de/faq/glu.htm#0020

ASIO: www.highscore.de/cpp/boost/asio.html

THREAD: http://www.highscore.de/cpp/boost/multithreading.html

http://www.boost.org/doc/libs/1_39_0/doc/html/thread/thread_management.html#thread.thread_management.threadgroup.destructor

KLASSEN: http://www.highscore.de/cpp/aufbau/klassen.html

USER AGENT STRING: http://whatismyuseragent.dotdoh.com/

HTTP-STATUS-MESSAGES: http://de.wikipedia.org/wiki/HTTP-Statuscode

http://www.danielfett.de/internet-und-opensource,artikel,regulaere-ausdruecke

http://de.wikibooks.org/wiki/Websiteentwicklung:_JavaScript:_Event_Handling