Ostatic posted a terrific post on 9 Free, Open Source Tools for Video and Media Playback and Encoding that one can use.
The one I will def be checking out is:
Prism is a free application that will let you convert video from one format to virtually any other popular format. You can preview the output to guage whether you have all the encoding right. For doing animation and working with it in video offerings, also get to know Blender, and the free book on it you can find here.
Originally posted by iLibrarian