From my work on Aerodynamics at the German Aerospace Research Centre, Göttingen
Geometry Project A Design Tool for Aerodynamics. Pages include the
wireframe model applet.
NACA 4 Digits Series Generate airfoils online.
- Nice site for Profile Aerodynamics!!!
- CFD Code List, Airfoils etc
- Very nice list of CFD Solvers.
Also you'll find a list of NACA Airfoils here.