
Description: Ninjatrader is a futures and forex trading platform targeted at active traders and brokerages. It supports automated and discretionary trading as well as backtesting and market replay functionality. Ninjatrader also provides free charting and analysis tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Robinhood is a popular free stock trading app that allows users to buy and sell stocks, ETFs, options and cryptocurrencies with no commissions or fees. It has an easy-to-use mobile interface aimed at novice investors.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API