RivaTuner is a popular software utility designed for graphics card overclocking and monitoring. It provides users with detailed information about their GPU's performance, including temperature, clock speeds, and memory usage. The tool is particularly favored by gamers and PC enthusiasts who want to optimize their systems for better performance. In addition to overclocking, RivaTuner offers features like fan control and custom profiles for different applications. It supports a wide range of graphics cards, making it versatile for various setups. The software is often used in conjunction with other tools, such as MSI Afterburner, to enhance the overall gaming experience.