While there are not as many listings as Quickdonations, this site ranks their charities in order of popularity. Easy on the eyes and easy to navigate. A great site dedicated to ending homelessness. Supports homeless shelters using the same method as the Hunger Site. Search to Help Another site that uses the power of searching to help those in need.
Donations go to various charities.
For every click, each sponsor pays 0.5 cents. The best environmental site I've seen. Generates revenue for a variety of land areas. A great site.