This document discusses and compares software for qualitative and quantitative data analysis. It introduces Computer Assisted Qualitative Data Analysis Software (CAQDAS) which was developed in 1991 to aid in coding, searching, memoing, and grouping codes and documents for qualitative analysis. Popular CAQDAS include NVivo, MAXQDA, and ATLAS.ti. It also discusses statistical software packages for quantitative analysis like SPSS, SAS, and R which can be used for tasks like data mining, statistical analysis, forecasting, and more. SPSS and SAS require purchase while R is open source and free to download.