many...
3ds max
maya
softimage
zbrush
rhino3d
wings3d
milkshape...

the list is virtually endless.

Hi, I'm new to modeling and have a 3d scan of a face that I'm working on, however when I made the scan the axis of symmetry came out weird and I just want to cut the face in half and mirror the side t ...

if you are mainly interested in modelling, wings3D is "hands down" the best modeller, free or other

Just import them back in 3ds max and check if everything works fine.
You can also use Blender 3d to check the imports once again.
There is also wings3d that supports .obj and .3ds imports

The title says it all. I've been playing around in 3D for a year or two, but this is one of my first try's to make a good model. Helpful criticism is appreciated, overall nastiness isn't.
All of it ...

If you are interested in creating your own 3d models you can start from some open source 3d software like [url=http://www.blender.org/]Blender or [url=http://wings3d.com/]wings3d.

Download them, in ...