R is a free, open-source environment for statistical analysis and graphing. In its almost 20 years of existence, R has remained popular in both academic and business environments. The newer Julia is a high-level, high-performance dynamic programming language for technical computing, with syntax that is familiar to users of other technical computing environments. This session outlines functional and performance differences between these two software packages. You’ll see demonstrations of best tips for integrating this software with Windows and walk away with guidelines for working with commercial software. A version of this presentation had 100 attendees at the PASS Business Analytics Conference in Chicago (April 2013), and 40 attendees for the PASS Virtual Business Analytics meeting (May 2013).