Robinhood - Free stock trading service.
Alpaca - Open links from Slack via desktop apps: Notion, Spotify, Zoom, Miro, Telegram, Airtable, Figma and VK.
Richie Invest - An app that lets you invest with your friends
ClosingBell - Collaborative Stock Trading
Raiz - Invest spare change automatically from everyday purchases into a diversified portfolio.
SparkFin - Learn the markets for free, profit forever.