From the developer: "ATI introduces CATALYST™ - industry-leading software suite that enhances and accelerates the visual experience. The suite is a package that consists of the latest driver, HYDRAVISION™ (multiple monitor management software), MULTIMEDIA CENTER™ and REMOTE WONDER™ support.
"DirectX 9.0 offers unparalleled advances in graphics technology. The latest software driver provided ATI Technologies Inc. supports this core Windows technology that drives high-speed multimedia applications and games on PC systems. CATALYST™ provides plug-ins for the REMOTE WONDER™ software. This lets users control applications such as WINAMP and Microsoft® POWERPOINT with REMOTE WONDER™ . CATALYST™ includes a new Direct 3D™ and OpenGL® control panel that gives users full control over performance and image quality settings."
Note: The ATI Catalyst 3.0 display driver bundle does not include ATI's proprietary Display Panel controls. To obtain this support you will also require the ATI Control Panels 22.214.171.12412 bundle.
Here's other similar drivers that are different versions or releases for different operating systems: