what3words is described as «What3words encodes geographic coordinates into 3 dictionary words (for example, the Statue of Liberty is located at planet.inches.most)» and is an app in the travel & location category. There are more than 25 alternatives to what3words for a variety of platforms, including Windows, Online / Web-based, Linux, Mac and Android. The best alternative is QGIS, which is both free and Open Source. Other great apps like what3words are ArcGIS, GRASS GIS, SAGA GIS and Mapline.what3words alternatives are mainly GIS Software but may also be Map Services or GPS Navigation Services. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of what3words.