Robinhood - Free stock trading service.
Republic - Where everyone can invest in startups & tokens
TradeStation - Whether you trade stocks, ETFs, options or futures, TradeStation’s award-winning tools and...
Equity Crowdfunding by Indiegogo - Anyone can invest in innovative startups & growing companies
OptionsHouse - OptionsHouse is an online stock trading platform with an easy-to-use interface.
Wefunder - The law changed. Invest $100+ in startups you love.