I'm pretty stunned right now. First, MasterQ32 told me that all Autodesk software is free for students (http://students.autodesk.com) and then I found Autodesk Pinocchio, a web based 3d character generator:

http://projectpinocchio.autodesk.com

Unfortunately, models are not animated by default (but rigged!) but with motionbuilder you can add animations.