Storyboarder program makes it easy to visualize a story and express your ideas without making a movie. You can quickly draw to test if a story idea works and create and show animatics to others. Wonder Unit storyboard software is available for free download.
The software offers 4 brush types allowing you to draw fast storyboards. Light pencil for roughing, pencil for sketching, pen for inking strong lines and brush for filling in some shading. For each type, you can also specify 3 brush sizes. Each brush has it's own 5 color palette, and you can set all the colors. Wonder Unit Storyboarder doesn't support layers, and it's designed only for fast boarding story ideas.
Storyboarder offer 5 guide overlays to toggle: Grid, Center, Marks, Thirds, and Angles. Onion skin (previous and next board in shot). This free storyboard software offers a simple interface, option to print worksheets, supports Wacom tablets, works with Fountain, can send files to edit in Photoshop, export to popular formats, track changes and more. You can also collaborate on Github platform. Storyboarder works only on 64-bit platform.