If you know of another free resource that you find useful, please send us a link and we will add it to this list.

ESRI

ArcExplorer Family of Free Geospatial Applications

Google

Google Earth

Lizzard Tech

ExpressView Browser Plug-in(MrSid) for Windows
Express Server Plug-in for ArcGIS

Leica

Leica Geosystems ViewFinder V2.1

Purdue University

Multispec (Multispectral Image Data Analysis System)

Academic:

• Center for Applied Spatial Technologies (CAST)
• Texas A&M University - Department of Geography
• Texas State University - Department of Geography
• Texas Tech University - Digital Atlas of Texas Counties
• Texas State University - Texas Stream Team
• The University of Texas - Department of Geography

Regional Government:

• Texas Association of Regional Councils
• Capital Area Council of Governments (CAPCOG)
• Houston-Galvestion Area Council (HGAC)
• North Central Texas Council of Governments (NCTCOG)
• Alomo Area Council of Governments (AACOG)
• Sabine River Authority of Texas (SRA)

State Government:

• Bureau of Economic Geology *(BEG)
• Texas General Land Office (GLO)
• Railroad Commission of Texas (RRC)
• Texas Commission of Environmental Quality (TCEQ)
• Texas Historical Commission (THC)
• Texas Legislature Online (TLC)
• Texas Natural Resources Infomation System (TNRIS)
• Texas Parks & Wildlife (TPW)
• Texas Water Development Board
• Texas Department of Transportation (TxDOT)

Federal Government:

• Geospatial One Stop (GOS>
• Federal Geographic Data Committee (FGDC)
• National Aeronotics and Space Administration (NASA)
• National Oceanic and Atmospheric Administration (NOAA)
• USDA Geospatial Gateway
• US Fish and Wildlife Service (USFW)
• United States Geological Service (USGS)

• Cooperative CORS Sites


• Trimble Reference Stations


• TxDOT Global Positioning System

• Texas Natural Resources Information System (TNRIS)


• General Land Office Historic Preservation Program


• UTA Library Cartographic Connections


• Texas Transportation Archive (TTA)


• Texas State Libraries & Archives Commission (TSL)


• UT Library Perry-Castaneda Map Collection


• David Rumsey Collection

• United States Geological Service GloVis


• Mid-America Geospatial Information Center (MAGIC)


• NOAA Satellite and Information Service


• Global Land Cover Facility (GLCF)