AnimEDS by PypeBros is a sprite/animation editor for the Nintendo DS. The editor itself works with the .spr format.

Thanks to http://nintendomax.com/viewtopic.php?t=13822&f=19 and http://www.dev-fr.org/index.php/topic,5033 for the news.

http://sylvainhb.blogspot.com/search/label/animeds