Robinhood - Free stock trading service.
Ticker Nerd - Analysing hot stocks before the hype train arrives
Cash App Stocks - Now you can invest with Square's Cash app
Scout Finance - Free finance app that's like having a Bloomberg in your pocket. Download:
Freetrade - Invest in stocks & ETFs for free, get started in seconds.
wallstreettexts - Realtime alerts on r/wallstreetbets