Microsoft Visual FoxPro 9 is a powerful, object-oriented, procedural, and event-driven programming language and development environment that was widely used for building Windows desktop applications, especially for database management and business intelligence. Although it's no longer supported by Microsoft, having been discontinued in 2007, Visual FoxPro 9 still holds a special place in the hearts of many developers due to its robustness, flexibility, and the extensive range of applications it can support.