Synfig Studio is a free (free) and open source software which offers the possibility creationof animated films with very high standards. To create the animations you can use vector or bitmap graphics.
The application, although it comes completely free, is a complete tool, capable of fully covering even the most demanding projects.
You can see the app's features in the following video:
Synfig Studio an Open-source 2D animation software was designed with the main goal of offering endless creative possibilities with innovative technologies.
As you will see in application page, Synfig is fully supported with own Wiki documentation and forum.
You can download the latest version of the application from the following links: