GoLocalBot. The project is closed - Platform for volunteers, NGOs, activists and crowdmapping.
Penny - Penny is a personal finance app that takes the pain out of keeping track of your finances.
GivingWay - Travel the world, do some good.
Digit - SMS bot that monitors your bank account & saves you money
Catchafire - Use your professional skills to help charities
Moszen - Moszen is a free web service that provides ambient sounds from natural environments to help you relax and avoid stress in your daily life.