Visual layer property control for all aspects of the map appearance (colors, styles, polygon fills, outlines, symbols, labels, transparency, etc.) Open ArcView 3, ArcExplorer, MapInfo Professional project files, open projects exported from ArcGIS/ArcMap 9/10 using free Arc2TatukGIS extension Spatial querying/selection (by point, line, circle, rectangle, polygon, buffer, custom clipboard layer, SQL query) based on the DE-9IM model (Dimensionally Extended 9 Intersection Model). Edit/create/export layer or map view to image file (TIFF/GeoTIFF, JPEG, PNG, BMP, PixelStore) with PRJ file, World File, and TAB reference file generation Topology builder/corrector to systematically clear geometry errors from vector map layers, e.g. overlapping polygons, holes between polygons, missed line intersections, dangling nodes MSSQL Server, Oracle, DB2, Informix, PostgreSQL, Interbase, Firebird, MySQL, Sybase, Advantage, SAP DB, SQLite, MSJET/MDB (x32 only) Fully scriptable (Pascal & Basic) IDE (exposing the TatukGIS Developer Kernel object API) to modify or extend default functionality, including full menu redesign, custom dialog boxes, specialized features, custom routines, command line interface... for custom end-user applications. Dozens of tutorial Pascal & Basic source code scripts included, some providing useful custom functionality, such as: GPS interface, shape rotation, contour line generation, batch x,y point coordinates converstion between coordinate systems, database querying, map tiles generator for Google Maps and Bing Maps, Bing Maps/Google Maps/Google Earth integration, 'cruise points' grid generator, extent based OpenStreetMaps.com downloader... Source.