Datastarta - A database of 3150 angel investors to get seed funding
Robinhood - Free stock trading service.
Impact Investors - Search and discover impact investors from around the world
Alpaca Fractional Trading API - Commission-free API to trade & invest for as little as $1
TaskCause - Support nonprofits by doing tasks for friends and family.
Richie Invest - An app that lets you invest with your friends