Connectify PRO license key for students is being given away by the developer. This free license key is worth around $14.99. However, students can only get this free full version license code by using their EDU email addresses. A facebook account is required to enter the promo page. Like the page to be able to grab the free offer.
Here is the license giveaway page: http://www.facebook.com/connectify?sk=app_328934460464080
This Connectify PRO license key is set to expire on this June, 2012.