Mining 4 Charity - Turn hashpower into good deeds
GoLocalBot. The project is closed - Platform for volunteers, NGOs, activists and crowdmapping.
Every.org - Give to any charity with friends - the easiest way to give!
GivingWay - Travel the world, do some good.
SafeNight - Providing a safe night to domestic violence survivors
Catchafire - Use your professional skills to help charities