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Free GIS Software

• Key Indicator Data System (KIDS)
  It has been developed by the World Agriculture Information Centre (WAICENT) of the Food and Agriculture Organization of the United Nations. KIDS is a open-source software framework that provides the ability to implement thematic information systems that collect, reference, visualize, exchange and disseminate statistical, survey and indicator data. Visualization is possible through tables, mapping, raster images and graphs.
  
  Basic GIS overlay and legend editing functions are available for non-GIS users.
  
  
• MapCruncher
  It is a prototype technology from Microsoft Research to make it easy for users to create their own, personalized mash-ups – may. The system revolutionizes the way people use online maps. MapCruncher makes it easy to publish maps overlaid on Virtual Earth. Once you get familiar with the tool, it will take about ten minutes to make a new map.
  
  
• GeoNetwork OpenSource
  It is a web based Geographic Metadata Catalogue System developed by FAO-UN, WFP-UN and UNEP. The system implements the ISO19115 Geographic Metadata and ISO 23950 (Z39.50) standards.It provides an OGC-WMS client application InterMap OpenSource and integrates the Deegree OGC Web Map Server in its full installer version, including sample data.
  
  
• Map Maker
  It is simple to use yet powerful map making and GIS software for Windows. It is available as the free program "Map Maker Gratis" and the more advanced "Map Maker Pro". Map Maker Pro is a low-cost system now in use in over 100 countries. It is used in a wide range of environmental work including forestry and fisheries. It supports, raster, vector, and DTM data and can import and export a wide range of formats including ArcView shape files and MapInfo mif/mid files. Map Maker Pro includes 3D features including perspective views, contouring, cross-sections etc.
  
  
• DIVA-GIS
  It is a free geographic information system (GIS) software. DIVA-GIS was specifically developed for use with biological distribution data such as available from natural history museums and genebanks. With DIVA-GIS you can: (i) map the locations of sites where populations of plant or animal species were observed, and of different characters that may have been recorded for these populations. (ii) make grid maps of the distribution of biological diversity, and identify “hotspots” and areas that have complementary levels of diversity; and (iii) extract climate data for localities points, and predict the presence of species based on climate.
  
  
• GRASS GIS
  Commonly referred to as GRASS, this is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies.
  
  
• SPRING
  SPRING is a state-of-the-art GIS and remote sensing image processing system with an object-oriented data model which provides for the integration of raster and vector data representations in a single environment.
  
  
• AGIS for Windows
  It is a simple mapping and GIS shareware package
  
  
• VTP
  Its goal is to foster the creation of tools for easily constructing any part of the real world in interactive, 3D digital form. This goal will require a synergetic convergence of the fields of CAD, GIS, visual simulation, surveying and remote sensing. VTP gathers information and tracks progress in areas such as procedural scene construction, feature extraction, and rendering algorithms. VTP writes and supports a set of software tools, including an interactive runtime environment (VTP Enviro). The tools and their source code are freely shared to help accelerate the adoption and development of the necessary technologies.
  
  
• GRID-Arendal's Online GIS and Map and Graphics Database
  It offers a free collection of maps, graphics and diagrams, illustrating environmental issues. These images are produced using desktop publication software such as Freehand, Adobe Illustrator, CorelDraw , etc.
  
  
• MapMachine
  It is a is a dynamic atlas used to locate places on Earth, search and print historical, weather, and population maps, and more. Mapmachine is hosted by the National Geographic and powered by ESRI
  
  
• MapWindow GIS
  The MapWindow application is a free, extensible, geographic information system (GIS) that can be used in many ways: As an alternative desktop GIS To distribute data to others To develop and distribute custom spatial data analyses MapWinGIS ActiveX Control At the core of the MapWindow application is the MapWinGIS ActiveX control. Using this control, you can program custom mapping functionality directly into your own software.
  
  
• worldKit
  WorldKit is an easy to use and flexible mapping application for the Web. Light weight GIS. It's a SWF based app, configured by XML, data fed by RSS. Stand-alone use or integration in larger projects.
  
  
• BASINS
  BASINS is a multi-purpose environmental analysis system that integrates a geographical information system (GIS), national watershed data, and state-of-the-art environmental assessment and modeling tools into one convenient package.
  
  
• SharpMap
  SharpMap is a simple-to-use map renderer that renders GIS data for use in web and desktop applications. The engine is written in C# and based on the .NET 2.0 framework.
  
  
• SAMT
  A commercial GIS is very expensive while a free GIS (GRASS) is not easy to use. We need a modeling system with a few GIS-features, like spatial analysis, some spatial techniques and a simple in and export function to a GIS. The main focus is to have an open system to include different models.
  
  
• mezoGIS
  mezoGIS is a GIS application, a graphical interface to query and analyse spatial data. mezoGIS does not store or compute data directly, but operates external PostGIS databases. The goal of mezoGIS is to provide a tool for geo-spatial analysis with PostGIS, through on-the-fly SQL queries as well as through larger, external plugin scripts.
  
  
• MapWindow
  The MapWindow GIS open source project includes a Microsoft Windows compatible desktop application capable of viewing shapefile, and raster data in many formats. It can reproject data, clip, merge, and perform other geoprocessing through a "GIS Tools" plug-in. Developer-users can extend the application by writing plug-ins using any .NET Framework compatible language, or developers can write GIS enabled software using the MapWinGIS ActiveX control.
  
  
• HidroSIG
  HidroSIG is a Geographical Information System (GIS) written in Java with special tools that will allow you to make estimations and analysis of hydrological, climatic and geomorphological variables.
  
  
• HUGO
  Hugo is moving map software for UNIX platforms. Hugo can view maps in simple raster (XPM), vector, and TIFF formats. ESRI shape file support is in progress but not yet useful.
  
  
• gvSIG
  gvSIG is a tool for handling geographical information. It has a friendly interface, and can access several (raster and vector) formats. It will integrate in a single view both local and remote data through WMS or WFS (WMS now working). It is meant for end-users of geographical information, and currently has Spanish, Valencian, English, French, and Italian interfaces.
  
  
• GeoVista Studio
  GeoVISTA Studio is an open software development environment designed for geospatial data. Studio is a programming-free environment that allows users to quickly build applications for geocomputation and geographic visualization.
  
  
• Virtual Terrain Project (VTP)
  The goal of VTP is to foster the creation of tools for easily constructing any part of the real world in interactive, 3D digital form. This goal will require a synergetic convergence of the fields of CAD, GIs, visual simulation, surveying and remote sensing. VTP gathers information and tracks progress in areas such as procedural scene construction, feature extraction, and rendering algorithms.
  
  
• VGMap
  VGMap is a new library created by Eyebeam R&D that allows designers, developers, and mapping geeks to overlay data on top of Google Maps in a richer way than is possible using their standard system. It is called VGMap because it adds vector-drawing capability to the already-awesome GMap API.
  
  
• TOPAZ
  TOPAZ (Topographic Parameterization) is an automated digital landscape analysis tool for topographic evaluation, drainage identification, watershed segmentation and subcatchment parameterization. While TOPAZ is designed primarily to assist with topographic evaluation and watershed parameterization in support of hydrologic modeling and analysis, it also has application to a variety of geomorphological, environmental and remote sensing applications.
  
  
• POPulation MAPper
  POPulation MAPper (popmap for friends) is a utility that creates population maps. Popmap will read from a configuration file the different sites and the weight of a certain type of population for each site. Then popmap will retrieve the best map for the set of sites from mapblast and draw dots in the given sites coordinates proportional to the weight of the population.
  
  
• PloneMap
  A mapping application for Plone based on MapServer. It enables you to create interactive maps inside your Plone site. Web visitors can navigate the map and browse or edit geo-positioned data in a collaborative manner. PloneMap adds geographical representation on top of the powerful Plone content management system.
  
  
• MapLab
  MapLab is a suite of effective and intuitive web-based tools to create and manage MapServer web mapping applications and map files. It consists of three components: MapEdit, MapBrowser and GMapFactory.
  
  
• MapJunction
  MapJunction3D is the first web-based mapping system to combine fast display of maps, aerial photos and GIS information.
  
  
• MapIt!
  MapIt! is a web-application that lets you navigate raster-maps through your web-browser and lets you zoom in and out and select objects and object classes that are identified on the map.
  
  
• InterMap
  InterMap is an Internet mapping application that allows the user to combine interactive maps from distributed Internet Map Servers in a browser. InterMap supports OpenGIS WMS and ESRI-ArcIMS and can be fully integrated with the GeoNetwork Metadata portal.
  
  
• GeoTools
  Geo Tools is a free Java based mapping toolkit that allows maps to be viewed interactively on web browsers without the need for dedicated server side support.
  
  
• SAV GIS
  
  
• SPRING GIS
  
  
• AvisMap Free Viewer Publisher's Description:
  The free AvisMap Viewer opens most GIS/CAD and raster image file types and most ArcView, ArcExplorer, and MapInfo projects. Besides just opening and viewing files, the Viewer supports an extensive list of features including visual layer properties control, legend control, thematic mapping, spatial and attribute querying, custom labeling, on-map measurements, hyper-linking, PDF export and much more. This software can be download at: http://www.avismap.com/download/avismap_free_viewer_52.exe
  
  
• AvisMap GIS Engine
  AvisMap GIS Engine is a comprehensive SDK designed for custom GIS applications.
  This software can be download at:
  http://www.avismap.com/download/AvisMap_GIS_Engine_Development_Package_50.exe
  
  
  
• LookWMS
  LookWMS is a Java Web Map Client with several unique features. LookWMS includes PDT by IDELIX, a virtual lens tool for more effective viewing and interaction with multi-layer data. LookWMS allows you to access and layer information from multiple servers, open GeoTIFFs, and work offline.
  
  
• LookOUT
  LookOUT is a great new add-in for Microsoft~ Outlook~ that enables you to easily map a location or find directions straight from your Outlook Contacts window. With a couple of clicks you can map a location, find directions from one contact to another, and search for products or services in a specific area.
  
  
• Spatial Console
  Spatial Console is the ultimate tool for controlling data in an Oracle Spatial environment. The product enables users to import shapefiles into Oracle Spatial or Locator with control over metadata, database constraints, feature history, versioning and coordinate rounding. Exporting from Oracle to several formats is also supported. The import and export facilities of Spatial Console can be conducted in batch mode via the command line if required.
  
  Designed for everyday data management, Spatial Console also delivers a fully functional visualisation tool providing navigation, layer management, symbology control and feature selection via both spatial and attribute queries. Users will also have the power to validate Oracle Spatial or Locator features as well as the associated metadata and indexes through Spatial Console.
  
  
• SAGA -- System for an Automated Geo-scientific Analysis -- is a free Geographical Information System ( GIS ).
  One can understand SAGA as a geographic information system with a special 'Application Programming Interface' ( API ) for geographic data processing. This API makes it easy to implement new algorithms and exempts the developer from hassle programming overhead like user-interface design or file-io. The SAGA API supports grid data like digital terrain models and satellite images, vector data, and tables.
  
  Since the release of SAGA there is a growing collection of SAGA-Modules, in areas of digital terrain analysis, geo-statistics, image processing and process simulation. SAGA is released under GNU Public License ( GPL )
  
  
• AccuGlobe 2004
  Digital Data Technologies (DDTI) and GeoMicro have made AccuGlobe 2004 available for free download. The product is built on GeoMicro’s AltaMap components. AccuGlobe 2004 contains many GIS features such as feature editing, charts, smart labeling, web updates and creating project files. The primary purpose of AccuGlobe is to provide a mapping platform for organizations or people that have previously been unable to use GIS software because of the expensive license fees.
  
  
• GIS Database Tools
  
• Geospatial Explorer (Trial)
  Geospatial Explorer has been written to enable geologists, environmental scientists, and engineers to apply innovative science and technology to enhance and expedite the reduction of risk to human health and the environment. Geospatial Explorer permits the user to identify, understand, and solve complex environmental problems better, faster, and cheaper.
  
  Geostatistics Package
  As part of Cyze & Associates' support for Geostatistical Analysis, Cyze & Associates provides a free Geostatistics package that compliments Geospatial Explorer by providing an interface to the SAGE 2001 variogram reports and GSLIB 2.0 kriging and simulation executables.
  
  FIELDS 3-D Viewer
  In an on going effort to support FIELDS Version 2.0, Cyze & Associates shall continue to offer download and registration for FIELDS Sample 3-D Viewer 2.1.7.
  
  
• Natural Neighbor for ArcView
  As part of Cyze & Associates' support for Developers, Cyze & Associates provides Natural Neighbor binaries and ArcView 3.x extensions free to our developer community.
  
  
• sdts2dem: a Translator for STDS DEM Files (Version 0.018: April 29, 2002)
  The sdts2dem program translates USGS DEM files from STDS format to "native" format. It is in the public domain and may be freely redistributed.
  
  
• SIGIS
  A Freeware version of Geomatique SIGISCO integrated vector/raster GIS and remote sensing application running under Windows (95/98/NT/ME/2000). It features satellites image processing, raster and vector spatial analysis, geographically linked database management, mapping and 3D surface rendering & animation.
  
  
• MBBuilder: RAD Tool for MapInfo
  The RAD MBBuilder 1.5 gives an opportunity to shift from the traditional programming interface elements in MapBasic commands to their visual design.
  
  
• MapInfo Callback Manager DLL
  microOLAP MapInfo Callback Manager is the ready-to-use inproc COM server solution allowing to implement MapInfo Callbacks.
  
  
• GIS Developer Kernel (DK)
  A comprehensive GIS development toolkit, with more than 2,000 functions and properties. The DK is offered as a Borland Delphi/C++ Builder/Kylix VCL library, and is an ActiveX component for compatibility with Visual Basic, Visual C++, and scripting languages. The DK can be used to create an application that compiles into a single executable file, is free of Dynamic Library Links, compatible with a wide range of data formats (SHP, EOO, MIF/MID, TAB, DXF, DGN, TIGER, TIFF, JPG, BMP, SPOT, and TatukGIS PixelStore), royalty-free, and provided with full source code.
  
  
• GIS Internet Map Server
  An ASP component for the creation of web-based GIS solutions. As the interactive map samples on this website demonstrate, the IS internet-publishes both vector and raster data, and supports rich interactive GIS functionality via HTML or WAP browser. The IS shares the same architecture as the DK, supporting the same 2,000+ functions and properties and compatibility with the same wide range of data formats.
  
  
• ArcExplorer
  ArcExplorer is a lightweight GIS data viewer developed by ESRI. This freely available software offers an easy way to perform basic GIS functions. ArcExplorer is used for a variety of display, query, and data retrieval applications and supports a wide variety of standard data sources. It can be used on its own with local data sets or as a client to Internet data and map servers.
  
  
• Geomatica FreeView
  New viewing environment for working with a variety of data, including imagery, vectors, and graphical bitmaps.
  
  
• SPANS Observer
  SPANS Observer allows you to display, query, annotate and create slides of your SPANS data. It is an excellent package for quick desktop presentations.
  
  
• GRASS GIS
  GRASS GIS (Geographic Resources Analysis Support System) is a Geographical Information System (GIS) with raster, topological vector, image processing, and graphics production functionality that operates in the UNIX environment through a graphical user interface and shell in X-Windows. It is released under GNU GPL.
  
  
• ERDAS
  The following products are available for Free download. Registration is required before downloading.
  
  
  • ERDAS Viewfinder
    ERDAS ViewFinder is a free viewing tool with basic image viewing and manipulation capabilities, including the ability to Display, Continuously roam, rotate and zoom the displayed imagery to any display scale, Spatially query image files prior to exporting, Overlay, etc.
    
    
  • MapSheets Express v1.3
    MapSheets Express is the FREE viewing and mapping tool from ERDAS, for working with imagery and vector map data.
  
  
  
• NAPIS Lite
  NAPIS integrates geographic information system (GIS) technology using ESRI's Map Objects, which allows text-field database tables to be related to spatial features on computer-based maps.
  
  
• ArcExplorer
  ArcExplorer is a lightweight GIS data viewer developed by ESRI. This freely available software offers an easy way to perform basic GIS functions. Two versions are available : ArcExplorer 2 (Windows edition) and ArcExplorer 3 (Java edition).
  
  
• TNTlite
  MicroImages provides TNTlite as a free version of TNTmips, our professional software for geospatial data analysis.
  
  
• WinQuery for WinGIS Evaluation Version
  The Evaluation Version has all the functionalities of WinQuery Standard and comes with an evaluation license-key, which allows you to try the software for a period of 30 days free of charge, before purchase.
  
  
• MapIt
  MapIt is a web-application that lets you navigate raster-maps through your web-browser and lets you zoom in and out and select objects and object classes that are identified on the map.
  
  
• Dime
  Dime is a C++ class library for reading, constructing, manipulating, and writing DXF file data. The name is an acronym for DXF Import, Manipulation, and Export library.
  
  
• AGIS for Windows
  An update of AGIS that corrects problems with pasting AGIS metafiles to Word and Excel 2000 and Windows 2000/XP.

Updates

• ArcView GIS Software Updates
  ESRI is committed to providing quality software to our users. Software updates, or maintenance upgrades, are interim updates between major releases that provide an opportunity to quickly resolve issues discovered in the current release of the software.
  
  
• ArcView GIS Software Updates
  ESRI is committed to providing quality software to our users. Software updates, or maintenance upgrades, are interim updates between major releases that provide an opportunity to quickly resolve issues discovered in the current release of the software.
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