Some popular 3-D animation programs include Blender and Clara.io. These free programs allow users to render complex models and animations and are useful for animators of different skill levels.
Blender is one of the most popular 3-D animation programs as of 2015, and it is used by both amateurs and professionals alike. Available for Windows, Mac and Linux, the program offers a powerful set of features that are useful for animators, video game artists and even scientists. While the learning curve is steeper than some programs, Blender is the program of choice for many animators.
Clara.io boasts the advantage of being Web-based, meaning it can be used on any computer with an Internet connection. The program offers strong polygonal model and skeletal animation functions, and Clara.io’s substantial online user base means there is a rich community to share information and tips.