This IDC study provides a detailed description of IDC’s software market taxonomy. It serves as the foundation for classification and sizing of the worldwide software market. For 2024, the taxonomy includes 79 individual functional markets grouped within a hierarchy of 20 secondary markets, which in turn aggregate into three primary segments: applications, application development and deployment, and systems infrastructure software. Each of the functional markets is described, with a sample list of representative software vendors and products. Read the report here (subscription required).