Need Free Animation software

[elStrages]

Anyone here know of a nice free piece of animation software. Doesn't have to be all singing and dancing as long as it's fit for purpose.
Any advice would be great

[Shinzy]

Apparently is possible with GIMP
haven't ever tried myself but there's tutorials for it so it seems promising =P
Edit: if by animation you meant gifs, ofc

[elStrages]

oh really, I have gimp installed, I will have a look.
I didn't know it could be used for that, and yes I want it to make gifs.