Coin is an opengl-based, retain-mode 3d graphics library that implements the open inventor 2.1 api. it also includes support for vrml97 and 3d audio. installing the suggested packages will enable extra features:

libsimage-dev enables loading of image files in sbimage
libfreetype6 enables use of truetype fonts
libopenal0a enables audio support
zlib1g and libbz2 enable transparent read of compressed files