SpeedBot - SpeedBot is a platform focusing on algorithmic trading for all.At SpeedBot, we see a future in which everything is systematic and also automated by bots and when it comes to systematic trading, there will be only one place to go: SpeedBot
TradingView - The best charting tool for crypto and stocks
AlgoRaven - AlgoRaven is a social hub for anyone interested in learning about algorithmic trading and creating competitive strategies (known as "recipes") that can be shared with friends.
Robinhood - Free stock trading service.
Signals Network - trader to data scientist
Matador - Free investing + Social feed of trades + 2.5% on your cash