Originally Posted by curaga
That is two projects and one can read on misfit3d' webpage: "I do not currently have any sample 3D models available for download on this site". That is not encouraging for a beginner.
I know there are more for Blender, but still, these models are scarce for beginners.
Since MD3 is a vertex animated format, opening one you won't be able to see or edit the skeleton - that info is lost. For blender you can see the OpenArena source models, IIRC they provide the source .blend files with skeletons.