Open Source Tools Available

• http://igl.ethz.ch/projects/fast/
• http://rodolphe-vaillant.fr/?e=31
• http://www.scriptspot.com/3ds-max/scripts/auto-mesh-skinning
• http://www.scriptspot.com/3ds-max/scripts/autoweight-automatic-skinning-tool-for-3ds-max
• pinocchio...
• http://www.blendernation.com/2011/05/21/blenrig-4-automatic-skinning-and-rigging-for-bipeds/
• http://cgcookie.com/blender/2013/04/23/quick-rigging-with-the-rigify-addon/
• http://www.bonespro.com/ (this one isn't free but there's a free trial)
• http://area.autodesk.com/blogs/chris/maxscript---mouse-tools-for-vertex-weight-during-skinning
• http://www.scriptspot.com/3ds-max/scripts/lh-auto-skin
• http://www.scriptspot.com/3ds-max/scripts/lh-auto-rig
• http://www.scriptspot.com/3ds-max/scripts/autoweight-automatic-skinning-tool-for-3ds-max
• http://www.scriptspot.com/3ds-max/scripts/splinerig
• http://blenderartists.org/forum/showthread.php?241950-A-Script-to-Skin-a-Point-Cloud-(for-Blender-2-6x-or-Later)