The majority of r.i. applications have been developed for windows®, and are written using the .net® platform. However, applications may be available for a variety of platforms, and written in different languages. The following legend should be used when selecting a product. If you select an application which is written in .net, you must have .net installed on your computer. You may install .net by clicking here . Use the legend to the right to determine if a particular application meets your needs.