Yes, RealWorld Paint is free for commercial use. It can already do what you describe. Open your animated file and choose "Create filmstrip..." from the "Animation" menu. Then select the maximum number of frames you want in one row.
How save animation is tile texture
I'm want use this app, for draw 2d texture cursor for 3d game.
For that im need plugin to convert animation to 2d tiled texture.
for example as on this picture:
http://loewald.com/waterboy/test_particle.jpg
How i can do this texture from animation?
This app free for commercial use?
Thank's Evgeniy.