ArcExplorer is a custom mapping tool that can be used in a web browser. ArcExplorer allows you to perform a range of basic GIS functions such as display, query and retrieve data.
Display and query a variety of standard data sources including ESRI shapefiles, ArcInfo coverages Images, ArcIMS services
Pan and zoom through multiple layers and identify, locate, and query geographic and attribute data.
Symbolize data based on attributes contained in the data layers to create thematic maps.
Perform basic spatial analysis tasks on the geographic data
Freely distributable data