Anton's OpenGL 4 Tutorials

Introduction
  Preface
  Downloading and Compiling Demo Source Code
Basics
  "Hello Triangle" - OpenGL 4 Up and Running
  Extended Initialisation
  OpenGL 4 Shaders
  Vertex Buffer Objects
Transformation
  Vectors and Matrices
  Virtual Camera
  Quaternion Quick-Start
  Ray-Based Picking
Lighting and Texture Maps
  Phong Lighting
  Texture Maps
Tips and Tricks
  Screen Capture
  Video Capture
  Debugging Shaders
  Gamma Correction
  Extension Checks and the Debug Callback
  Uniform Buffer Objects and Mapping Buffers
Mesh Files
  Importing a Mesh File
More Advanced Lighting and Texture Effects
  Multi-Texturing
  Using Textures for Lighting Coefficients
  Fragment Rejection
  Alpha Blending for Transparency
  Spotlights and Directional Lights
  Distance Fog
  Normal Mapping
  Cube Maps: Sky Boxes and Environment Mapping
New Shader Stages
  Geometry Shaders
  Tessellation Shaders
2d Rendering
  2d GUI Panels
  Sprite Sheets and 2d Animation
  Bitmap Fonts
  Making a Font Atlas Generator Tool
Animation
  Particle Systems
  Hardware Skinning Part 1: Bones
  Hardware Skinning Part 2: Skeleton Hierarchies
  Hardware Skinning Part 3: Key-Frame Animation
Multi-Pass Rendering
  Switching Framebuffer
  Image Processing with a Kernel
  Colour-Based Picking
  Deferred Shading
  Texture Projection Shadows
Discussion
  Building Larger Programmes
  Closing Remarks, Future Techniques, and Further Reading