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The prices that are listed are approximate to help guide your shopping; contact the vendors for current pricing. Shareware is software that is distributed free on a trial basis with the understanding that the user may need or want to pay for it later-it is not freeware, so consider doing the right thing and pay the (usually nominal) registration fee.

GIS Software
	Free mapping/viewing software
		3dem: Creates 3D terrain scenes and animated fly-bys
		ArcExplorer: "Lightweight" GIS viewer from ESRI, freely distributed
		Blue Marble Geographics: Geographics Explorer-Free viewer that works with MS Explorer to find and view map files
		Cartoworld: Cartoworld  Map Viewer. First copy is free, additional copies are $49
		dlgv32 Pro: Free from the USGS, a limited-feature version of commercial software called Global Mapper that allows viewing and translation of various USGS GIS data formats.
		ERDAS Viewfinder: Free viewing tool with basic image viewing and manipulation capabilities.
		ER Viewer: From ER Mapper, a free "easy to use image viewer featuring interactive roaming and zooming of very large image files
		Geomatica Freeview: PCI Geomatica offers Geomatica, a viewing environment for imagery and graphical bitmaps.
		LandView III: A free Windows-based desktop mapping system that consists of the LandView database and the MARPLOT mapping system.
		MapInfo ProViewer: Free viewer to display tables and workspaces created with MapInfo.
		Map Maker Gratis
		MrSid GeoViewer: A viewer for MrSid format imagery.
		Microdem: Free GIS map viewing software
		PCI Geomatica 9: Freeview
		Shape Viewer: A free tool to view ESRI® Shape files. You can also create new (.shx) file, and new empty (.dbf) file for your shape file.
		TNTatlas: Free Geodata viewing tool. Also has features for querying, measurement, printing, sketching of the displayed geodata. Plug in a GPS unit to track yourself realtime or get a profile from your 3D elevation raster.
	Low cost GIS software
		AGIS: Shareware GIS mapping software, $49
		Aerial Imagery Corrector (Rockware): Stand-alone photogrammetry software that can; rectify, georeference, and mosaic aerial photography, satellite imagery, and scanned maps to a geographic coordinate space. $290
		Canvas X GIS PLUS $649
		Global Mapper, $249
		Manifold.net, $245
		Map Maker Pro 3.5 $400
	File converters/Utilities-Free and low cost
		Alphazip: To unzip tar files Free trial, $29.95 to purchase
		Coordinate Conversion
		Corpscon: Free coordinate converter, many formats
		ET GeoTools
		Geocalc: Converts coordinate data between mapping systems, free
		GeoCommunity: Links to numerous translators
		Info-Zip: There are free zippers and unzippers for many platforms, including Macintosh, available from the Info-Zip.
		IrfanView: Graphic file viewer free for non-commercial use.
		Lat/Long to UTM Converter; Calculator form on the Internet. Or for bulk conversions, purchase spreadsheet macro online, $24
		PDF file creation for free
		PKWARE: PKZIP - PC shareware compression software
		Township / Range / Section Locator
	Geology (Not GIS but great resources anyway)
		North American Paleography, Ron Blakey’s site at Northern Arizona University
		Strat columns for entire USA

[  Data  | GIS Table  |  Mapping  |  Cross Sections/Log Displays  |  Seismic  |  Petrophysics and Digitizing  |  Reservoir Analysis  |  Production Engineering  |  Drilling and Completion  |  Economics  |  Risk Analysis/Data Modeling  |  Office Apps/Graphics  ]