GoLocalBot. The project is closed - Platform for volunteers, NGOs, activists and crowdmapping.
Buildiful Heart - Foot essential bills for families in need
GivingWay - Travel the world, do some good.
ImmuneCorps - An army of the young and the low-risk helping people in need
Catchafire - Use your professional skills to help charities
DonorSee - Give directly to specific needs, get raw videos showing exactly where your money went