TradingView - The best charting tool for crypto and stocks
Cryptominded - Where you learn more about cryptocurrencies
Robinhood - Free stock trading service.
Crypto Buyer's Guide - Extensive cryptocurrency buying guide
Matador - Free investing + Social feed of trades + 2.5% on your cash
OnChain.Bio - With OnChain.bio, your social profile data is stored as an NFT on the Polygon network.