You do not need expensive software to browse GIS data. Sometime you just need a GIS viewer to observe how data looks? What is in data? How is it’s attribute table? I have browse the internet to find out some of the free GIS data viewer which can be handy. GIS data might be in different format, might be in shapefile or other software format. Mostly GIS Data viewer are light weight software which has limited functionality and are perfect for browsing data. ArcGIS Explorer Desktop is a freeware GIS viewer data which gives you flexibility to browse data. It also allows you to explore, visualize, and share GIS information. ArcGIS Explorer allows you to access free base maps and GIS layers from ArcGIS Online, fuse your local data with online data, allows to add photos, videos and other documents with your map, perform spatial analysis like visibility, modeling, and proximity search. ArcGIS Explorer is more than just a GIS data viewer. Click here to download ArcReader is a free GIS viewer, easy to use desktop mapping system that allows users to view, explore, and print maps. With ArcReader you can view, zoom, print, navigate and create custom ArcReader application. It is just a reader like Adobe reader or any other software that allows you with limited functionality. Nevertheless, is a great GIS data viewer where you have some flexibility. Click here to download TatukGIS Viewer is a free Desktop GIS which allows limited functionality as compared to TatukGIS Editor. Still user benefits from the free tools which are good enough for basic GIS functionality. Click here to download Geomedia Viewer is a free GIS data viewer application from Intergraph‘s which allows users to display map and perform basic GIS analysis. It allows you to input different layers and create maps. Click here to download Cartomap is a free GIS data viewer which allow users with some advance GIS functionality. It supports ArcView shapefile and MapInfo MIF files. Some of the advance GIS functionality on the Cartomap are advance labeling, spatial analysis and thematic routines. Click here to download It is a free GIS and raster Data viewer which supports many raster and vector formats. It allows user with many advance functionality. Click here to download Christine GIS is a free GIS software that allows users to view and edit spatial data. It allows editing and creation of tabular data, connecting DBMS by ODBC, creating applications by integrated script language. Click here to download It is a free GIS data viewer which allows to edit and publish spatial data. It can handle from simple data to massive sized data. Some of the formats that TNTatlas support are shapefiles, GeoTIFF, JP2, PNG, MrSID, DXF, and DWG. Click here to download Source.