YourCapital - Comprehensive Financial Advice at your fingertips
Robinhood - Free stock trading service.
Alpaca Fractional Trading API - Commission-free API to trade & invest for as little as $1
M1 Finance - M1 helps you manage your money by automatically putting it to work in a customizable portfolio
Richie Invest - An app that lets you invest with your friends
Rally Rd. - Invest in blue-chip classic cars like stocks