FreeCycle- The Freecycle Network™ is made up of 4,617 groups with 6,030,000 members across the globe. It's a grassroots and entirely nonprofit movement of people who are giving (& getting) stuff for free in their own towns. It's all about reuse and keeping good stuff out of landfills. Each local group is moderated by a local volunteer (them's good people). Membership is free.
Heyitsfree- Hey, It’s Free! (HIF) is an awesome website dedicated to finding the best freebies on the net. You will never need a credit card or a single dime to get any of the freebies posted on HIF.