Welcome to Panda3D!
Panda3D is a 3D engine: a library of subroutines for 3D rendering
and game development. If you'd like to know more about what it can
do, examine the screenshots and feature list. Panda3D is free for any purpose, even commercial
development. Go ahead and download it here.
To learn
Panda3D, you can read the tutorial sections of the manual, or you can just dive into the code
of the sample
programs. If you get stuck, ask for help on the forums. They're very active, and people
are always willing to help.