ArcExplorer allows users to display and query a wide variety of GIS data sources. ArcExplorer is free, and freely distributable.
Walls is suited for complex projects that require management of many files.
Export options include SEF, annotated maps as metafiles, and 3D VRML models. Also, several types of shapefiles can be generated directly for use with ArcView GIS and other ESRI software . WinKarst WinKarst is software for cave surveying, processing and visualization. Using WinKarst a user can maintain survey data, generate statistics, close loops and import and export data in several formats. WinKarst handles geographic coordinates, projections, and automatically calculates magnetic declination.