Robinhood - Free stock trading service.
Alpaca Data API - Free real-time stock market data API
Alpaca - Open links from Slack via desktop apps: Notion, Spotify, Zoom, Miro, Telegram, Airtable, Figma and VK.
SparkFin - Learn the markets for free, profit forever.
Autocode - Build app-to-app API workflows with automatic codegen
Ellevest - An investing platform built for women