Redboard is described as 'lets you accurately plan and manage your 3D animation production from the storyboard stage and then seamlessly transfer camera and scene data into your 3D workflow'. There are nine alternatives to Redboard for Windows, Linux, Online / Web-based and Mac. The best alternative is Storyboarder, which is both free and Open Source. Other great apps like Redboard are Storyboard That (Freemium), Boords (Paid), FrameForge (Paid) and FLIX (Paid).
Storyboarder makes it easy to visualize a story as fast you can draw stick figures. Quickly draw to test if a story idea works. Create and show animatics to others. Express your story idea without making a movie.
Storyboard That is the world's best online storyboard creator. Everyday people from all over the world use Storyboard That to quickly create amazing storyboards. Teachers Teachers use Storyboard That as a powerful re-enforcement tool for lessons and book reports.
FLIX is a visual story development tool for feature film, TV production, games, and more. Designed to promote fast-paced creative collaboration, FLIX removes the technical barriers that can cause frustration and slow you down.
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.