Is there a middleground between writing raw OpenGL versus using a full-blown game engine?

Question

I'm playing around with OpenGL and I'm finding myself writing code that I feel like I shouldn't have to write.

GLU and GLUT are nice but not really what I'm thinking of.

• Code to load .obj models (vertex and normal vectors) from Blender and render them.
• Code for collision detection.
• Code for navigation/camera stuff.
• Code for simple terrain generation.

But at the same time I feel like a full-blown game engine is more than I need.

Are there any good libraries built on top of OpenGL that I could take advantage of, perhaps to create relatively simple games? I don't necessarily need all of the items listed above. Those are just examples of what I'm thinking of.

Answer 1

Yes.

I can't be more specific as I don't write my own game engines but I do have a list of libraries online at this location, most of which sit below being a full engine.

Answer 2

Ogre
Irrlicht
openscenegraph (replaces performer)