Cualestugracia (Latin Social Network)
I was the lead developer on Cualestugracia, a social network in spanish where users could upload what they do, the thing that separates them from the rest of the world. That makes them special. The project was aborted, and never saw the light for financial purposes and personal issues. But, for it, I've completed it a dynamic registration form (new items appeared as you properly fill the others), with username and email check, activation mails, and a secure login with sessions and session passwords. Also, I've made a simple profile system, where the user, if it was new, could create it filling some fields and uploading a photo. And later, he could see it.