Robinhood - Free stock trading service.
Bill.com - Bill.com provides ACH payments processing, automates your accounts payable and accounts receivable processes.
Alpaca Data API - Free real-time stock market data API
Zoho Invoice - 100% free online invoicing software for small businesses.
Ellevest - An investing platform built for women
Wise - Currency exchange Banks and other providers could charge you up to 5% in hidden costs when sending ...