FlippingBook - FlippingBook changes the way you present your documents
OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Synfig Studio - Just another WordPress site
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Blender - Blender is the open source, cross platform suite of tools for 3D creation.