Trove Market - The easiest way to buy/sell used + vintage furniture
Schoola - Shop secondhand clothes that raise money for schools
Wallapop - Wallapop is a free mobile app that acts as a virtual flea market for buying and selling items locally.
Givalytics - Maximize your social impact: a portfolio approach to giving
Twice - Online Secondhand Clothing Store
AidSpace - Volunteer management for organisations around the world