Development kits (225 programs)

Pros: Layer and frame timeline structure. Onion skin frame reference. Palette editor for color control. Export to sprite sheets and animated formats.

Cons: Limited to pixel-scale artwork.

Pros: Open-source with no royalties. Full access to engine source code. Built-in terrain and world editor.

Cons: Steep learning curve for beginners. Outdated interface and tooling. Smaller community compared to competitors.