Seamless3D
Seamless3D is 3D modeling and animation software. Just like other 3D programs, it takes time to get familiar with the interface. But if you are serious about making 3D models and animation, this is a good choice.
There are many features in the program so it can be used as an animator or mesh editor. But it is best known for its build node technology. In simple terms, the software allows you to do 3D operations in real time.