Ninjatrader is described as 'Regardless of what markets you trade, what style of trader you are or if you require real time or end of day analytics, the NinjaTrader trading platform provides you the tools to analyze the markets and your trading ideas in a flexible, customizable and user-friendly manner that' and is a Stock Trading app in the business & commerce category. There are more than 25 alternatives to Ninjatrader for a variety of platforms, including Web-based, Windows, iPhone, Android and Mac apps. The best Ninjatrader alternative is Robinhood, which is free. Other great apps like Ninjatrader are MetaTrader, ChartingLens, Quantower and AmiBroker.