Spine - Spine is 2D animation software designed specifically for software and game development.
VistaCreate - The VistaCreate is a free and global digital platform which is known for sharing, searching, finding, and creating great art.
Synfig Studio - Just another WordPress site
PaintCAD - Pixel art image editor, created for full keyboard control of image drawing without mouse using.
Unity 2D - Unity 2D is a powerful and feature-rich game design solution built from the ground up to fulfill every basic and advanced need of the developer.
Aseprite - Aseprite is an art program dedicated to the creation of pixel art.