Robinhood - Free stock trading service.
LifeLock - LifeLock is an identity theft protection solution that protects its members' personal information from being used by a third party.
Alpaca Data API - Free real-time stock market data API
Experian - Your credit report, FICO Score, and more. All free.
Ellevest - An investing platform built for women
IDShield - IDShield is a platform that offers identity protection, saves people from unauthorized transactions in their name, and protects them from data breaches.