The best alternatives to StockStream are Robinhood, Alpaca, and SparkFin 2.0. If these 3 options don't work for you, we've listed a few more alternatives below.
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Alpaca helps you to trade stocks, options & crypto with algorithms, connect with apps, and build investing services with an easy-to-use API. We support over 25k+ active developers and 150+ global investing app partners. 🦙❤️
Discover investment ideas by leveraging the knowledge and real trading activity of thousands of stock market traders managing millions of dollars in assets.
JStock makes it easy to track your stock investment. It provides well organized stock market information, to help you decide your best investment strategy. JStock integrates seamless with JStock Desktop. Free and open source JStock Desktop can be downloaded separately from http://jstock.org