WeShelter - Unlock a donation when you pass a homeless person in NYC
TreeCard - The wooden debit card that plants tree powered by Ecosia
TAP London - Tackling the homeless problem together
TreeMapper - TreeMapper is an easy-to-use tool for standardized on-site data collection on forest restoration.
Catchafire - Use your professional skills to help charities
Treeapp - Plant a tree for free, every day, in less than a minute