Briefbox Sign Up Form
This is based on a brief from briefbox that you can see here: http://briefbox.me/briefs/design-a-simple-fresh-sign-up-form/ . I also, wrote a small bit on my process for creating this design here: https://medium.com/@Jdrigge/sign-up-form-design-a0dbe08ede57#.edgwb7ozh