rdMaps free is a free Android application developed by SDE computing under the Business & Productivity category. It is a handy tool for converting Lat/Lon coordinates in the Netherlands to X-Y coordinates in the Dutch 'Rijks-Driehoek stelsel' system.

The application is simple and easy to use, with a user-friendly interface. It allows users to input latitude and longitude coordinates and convert them to X-Y coordinates in real-time. This is particularly useful for professionals in the fields of surveying, engineering, and architecture who work with Dutch topographical maps.

Overall, rdMaps free is a useful and effective tool for anyone who needs to convert Lat/Lon coordinates to X-Y coordinates in the Dutch 'Rijks-Driehoek stelsel' system. It is a recommended download for professionals who work with Dutch topographical maps.