The Sky Map Extension Pack is a free add-on for SETIspirit sky map software.
Map Maker Ltd
This is a Geographical Information Systems map-making program.
Orbit GeoSpatial Technologies
This provides the tools required for automated flight and high precision mapping.
Bible Maps has 13 Bible maps which covers almost all major places in Bible.
Extension for Chrome allows to find the page you have browsed in the past.
Automatically estimates CO2 emissions on Google Maps.
Environmental Systems Research Institute, Inc.
It provides components needed to create add-ins that extend the ArcGIS Viewer.
Rural Technology Initiative
Pegger is an ESRI Arcview Extension to help foresters and forest engineers.
This extension helps GIS developers to migrate ESRI ArcView projects.
Swat,Soil & Water Research Laboratory
An ArcGIS-ArcView extension and a graphical user input interface for the SWAT.
Utah State University
SINMAP is an ArcView extension that implements the computation.
An extension to ESRI ArcView 3.x to process graphics and annotation features.
Bring your map to life with Scenario 3D the ArcGIS Desktop extension.