Robinhood - Free stock trading service.
Stockshark - Identify the most talked about stocks
SparkFin - Learn the markets for free, profit forever.
Wall Street Bets Tracker - Tracking popular stocks mentions on r/WallStreetBets
Stockflare - Stockflare helps anyone pick stocks, easily. Investing doesn’t have to be complicated.
Ape Wisdom - Wallstreetbets tracker with an API