ESRI Shapefiles

GDAL

Geospatial Data Abstraction Library (GDAL) is a translator library for vector and raster geospatial data formats that is released under an X/MIT style Open Source license by the Open Source Geospatial Foundation.

Weave (Web-based Analysis and Visualization Environment)

Weave (Web-based Analysis and Visualization Environment) is a visualization platform designed to enable visualization of any available data by anyone for any purpose. Weave is an application development platform supporting multiple levels of user proficiency — novice to advanced — as well as the ability to integrate, disseminate and visualize data at “nested” levels of geography.