I’m looking for source code or libraries that open and parse at least one common 3d file format. Does anyone know where I can find some?
you could go to www.wotsit.org, get the file specs and write the loader yourself. Otherwise I’d just search at google, you are bound to find something
http://hem.passagen.se/opengl/glfw/links.html - see the “Geometry and image file I/O toolkits” section.