I made a little search, and all these software below can make animation and export them to a file (FBX) to used and rendered with few editing (Camera lighting etc.) in other application more complicated such as Blender for final result.

https://clara.io/
Model. Animate. Render. Online.
Start creating, rendering and sharing 3D with Clara.io right now, for free!

https://www.daz3d.com/daz_studio
Daz Studio is a 3D art creation software platform that enables you to make dynamic renders, animations and creations with the help of a huge library of content that’s always growing. Powerful, functional, and free, Daz Studio is used by beginners and professionals alike to create stunning, rich, and high-definition 3D art.

these two below are a bit old school software.

http://www.k-3d.org/#download

http://www.wings3d.com/
But I no tried no one of these and are all free and you dint waste money on trying.