LibreSprite lets you create 2D animations for videogames. From sprites, to pixel-art, retro style graphics, and whatever you like about the 8-bit (and 16-bit) era.

It offers the following features:
<ul><li>Real-time animation previews</li><li>Onion skinning</li><li>Multiple sprites can be edited at once</li><li>Ready to use palettes, or make your own</li><li>Sprites are composed of both layers &amp; frames</li><li>Tiled drawing mode, useful to draw patterns and textures</li><li>Pixel precise tools like filled contour, polygon, shading mode, etc.</li><li>Several file types supported for your sprites and animations</li></ul>