"The funds collected through Homelessfonts.org will be used to finance the work of the Arrels foundation for homeless people in Barcelona." http://www.arrelsfundacio.org

And the director of the foundation responded in a comment on that article:

"All people who are joining the project with their handwriting were homeless people and now fortunately they have accommodation and receive the support of Arrels Foundation to go forward in their lifes." http://hyperallergic.com/135700/homeless-fonts-are-a-feel-go...