Data Formats
Free GIS Applications
FreeGIS: A complete list of free GIS applications.
ArcReader and ArcExplorer: From Environmental Systems Research Institute (ESRI).
Geomatica FreeView: Supports over 100 raster and vector formats for loading, viewing, selection, and enhancement.
ExpressView Browser Plug-in: View MrSID and JPEG2000 images in a web browser.
Express Server plugin for ArcGIS: Installs onto an existing installation of ArcGIS 8.x and allows users to add MrSID imagery served using LizardTech's Express Server software directly into their local ArcGIS application.
Geospatial Data Standards
Open Geospatial Consortium: develops standards for geographic and location-based services.
Federal Geographic Data Committee: develops the National Spatial Data Infrastructure (NSDI), which encompasses policies, standards, and procedures for organizations to cooperatively produce and share geographic data.
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