ProTA is described as 'Is professional level charting and technical analysis software exclusively for Mac OS X. ProTA is state of the art market charting, technical analysis and portfolio tracking for the stock market, mutual funds, futures and options markets. Professional technical analysis' and is a Stock Trading app in the business & commerce category. There are more than 10 alternatives to ProTA for Windows, Mac, Linux, Web-based and Android. The best ProTA alternative is JStock, which is both free and Open Source. Other great apps like ProTA are AmiBroker, PTMC, ProRealTime and Qtstalker.