Three years of Autodesk software for students with .edu emails. Either use a real school email or if you don't have one and you're a student, try searching for an online based one.
Not sure if it should be in the forums but, Go grab them!
List of software for Mac here: http://students.autodesk.com/?nd=panel_macproducts
Full list of software available (reported from another forum): http://img545.imageshack.us/img545/6896/autodesk.png
MOD: Please note that the free license is only intended for students/staff of educational institutions only.
can u give a brief explanation on what is the software for?