IGOR Pro is described as «Technical graphing and data analysis for Macintosh and Windows. IGOR Pro creates publication quality scientific graphics used by scientists and engineers around the world» and is an app in the education & reference category. There are more than 10 alternatives to IGOR Pro for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and Android. The best alternative is MATLAB. It»s not free, so if you»re looking for a free alternative, you could try GnuPlot or SciDaVis. Other great apps like IGOR Pro are QtiPlot, SigmaPlot, OriginPro and KaleidaGraph.