Freebie : Twitter GUI PSD (New home template)
Freebie : Twitter GUI PSD (New home template) is a free Template design resource made by Dribbble user Marie Dehayes. As far as I can tell, its license is Free for Commercial and Personal Purposes.
Helpful hint: Dribbble users are nice. If the license is unknown, it is usually because they forgot to mention it explicitly; not because they were being stingy. Ask nicely and they will probably allow you to use it.