A bunch of links that I've found useful over the last week while designing MarSndPeek and rewriting the Panning Pedagogy app in OpenGL:
OpenGL Primitives
Simple OpenGL Primitives: Drawing Points, Lines and Polygons with glVertex
QGLWidget Class Reference
Chapter 14 - OpenGL - From the Qt manual
OpenGL & Qt animation
Lesson: 06 - from the awesome nehe OpenGL tutorial
Hello GL Example
glOrtho
Opengl Triangle Tutorial
OpenGL:Tutorials:Tutorial Framework:Light and Fog
fog from nehe
How to use Fog in OpenGL
10 Clipping, Culling, and Visibility Testing
Line and Point antialiasing
Lesson 1 : Viewing Volume & Viewport
Tutorial 08: LookAt - Split - Clipping
GLUT Tutorial : Computing Frames per Second
Some work had been done in Marsyas with OpenGL by Aaron Hechmer, who used to be in George's lab.
Here's a screenshot of the current version of MarSndPeek:
And a screenshot of the OpenGL panning app:
Here's a screenshot of the web based version of the panning app, which you can visit at pan.sness.net