Catchafire - Use your professional skills to help charities
GoLocalBot. The project is closed - Platform for volunteers, NGOs, activists and crowdmapping.
Irresistible Podcasting - A step-by-step guide to launching a podcast in 2015
GivingWay - Travel the world, do some good.
HandUp Gift Cards - Give directly to a homeless neighbor on the street
WeShelter - Unlock a donation when you pass a homeless person in NYC