Robinhood - Free stock trading service.
Freetrade - Invest in stocks & ETFs for free, get started in seconds.
TradeStation - Whether you trade stocks, ETFs, options or futures, TradeStation’s award-winning tools and...
Stonksfolio - Gain insight into the performance of stock & ETF investments
Equity Flow - The ultimate platform for tracking big money and follow large stock and options orders.
Gotrade - Fractional US stock investing for anyone in the world