Free Software for GIS and Image Processing!

Below are links to software that will allow you to perform your own remote sensing or GIS analysis on your home computer.  Be aware that many of these softwares do not offer nearly the functionality of the commercial packages, but they can be surprisingly useful.

 

GIS oriented software

ArcView 1.0
ArcExplorer
 SPRING

Image Processing software

MultiSpec
 

 

Hybrids

GRASS
PCI Image Works (6.3 MB file)
TNT Lite

 

Data Viewers

ENVI FreeLook 3.1
ER Viewer
DLGView 3.7
DEM3d
MrSID GeoExpress View
OpenEV

 

FREEGIS.ORG -- Website containing a much more comprehensive list of free and partially free GIS/Remote Sensing software, libraries, and data.