FrameForge is described as 'Previz Studio 3 enables you to create a virtual 3D set in your computer with the freedom to place any number of virtual cameras in any placement, angle or height desired'. There are more than 10 alternatives to FrameForge for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPhone. The best alternative is Storyboarder, which is both free and Open Source. Other great apps like FrameForge are Celtx (Freemium), Source Filmmaker (Free), iClone (Paid) and nawmalMAKE (Paid).
Toon Boom Storyboard Pro is essential to the beginning of any audiovisual project. Where Your Story Begins Storyboard software that combines drawing and animation tools with camera controls. Develop the story with total artistic control.