Browse free open source GIS software and projects below. Use the toggles on the left to filter open source GIS software by OS, license, language, programming language, and project status.

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  • 1
    GeoServer
    GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. Designed for interoperability, it publishes data from any major spatial data source using open standards: WMS, WFS, WCS, WPS and REST
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    Downloads: 52,270 This Week
    Last Update:
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  • 2
    GeoNetwork opensource - Metadata Catalog
    A web based Metadata Catalog Server for data description and discovery. Supports both generic and geospatial data discovery. It implements international standards (e.g. ISO19115/19139/19119, ISO19115-3, DCAT-AP, CSW 2.0, OGC API Records). It originates from the United Nations and is used by many governments as geoportal software. Active development and discussion takes place on GitHub and OSGeo Discourse. You can also connect directly with the companies supporting the development. Source code available on github https://github.com/geonetwork/
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    Downloads: 150 This Week
    Last Update:
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  • 3
    A PHP and JavaScript Web mapping framework and demo application for MapServer (see http://mapserver.gis.umn.edu) based on MapScript/PHP.
    Downloads: 7 This Week
    Last Update:
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  • 4
    A web atlas using the planetary body renderer, Xplanet. Explore the solar system. Overlay clouds, cities, weather forecasts, and more. Navigate by point and click. Search global databases.
    Downloads: 20 This Week
    Last Update:
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  • 5
    ZMapServer is a Zope Product that provides a clean interface to the MapServer (http://mapserver.gis.umn.edu) web mapping application.
    Downloads: 3 This Week
    Last Update:
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  • 6
    Geomajas is a web mapping GIS software with full vectorial editing capabilities, and support for custom attribute relation models in the browser. It has built-in support for any type of query, selection, filtering, snapping, printing, ...
    Downloads: 1 This Week
    Last Update:
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  • 7
    G2C (Geospatial to Civil) The LandGML Interoperability Experiment initiated by Autodesk, U.S. Army Corps of Engineers Engineering Research and Development Center, and Galdos Systems. this open source tool transforms LandGML into LandXML documents.
    Downloads: 2 This Week
    Last Update:
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  • 8
    A web-based maintenance management system for water and wastewater networks. Allows to store customer complaints and issue workorder sheets. Rather than using street names, maps and landmarks are used for navigation.
    Downloads: 1 This Week
    Last Update:
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  • 9
    This project provides and open source implementation of HELD and related specifications. A HELD client and Location Information Server are included.
    Downloads: 1 This Week
    Last Update:
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  • 10
    Spatial plugins for Dokuwiki
    A collection of Dokuwiki plugins that will enable the user to spatially enable and use the wiki, currently we have: openlayersmap (a map), geotag (ways of geotagging a page)
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    Downloads: 1 This Week
    Last Update:
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  • 11
    Project consist of 2 parts. One of them is a J2ME app. used to get information such as photo, position, speed & course from GPS and transfers it to the web server. Another one is a web app. which allows to manage and display received data using GoogleMap
    Downloads: 0 This Week
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  • 12
    CEarth
    C# rich client, displaying the data of a free towns database in a Google Earth component, a Tree Table visualization component and showing Bing image results of these data.
    Downloads: 0 This Week
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  • 13
    A web-based system for a comprehensive survey of water utility customers. Cross-platform application written in PHP. Uses a GIS component based on mapserver to visualize the delivery points.
    Downloads: 0 This Week
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  • 14
    EasyGIS simplifies GIS data management, sharing, and publishing. REST interfaces (json, html views). Lucene based FTS searches. Thematic maps, business cartography. Integration with external GIS data providers - Google, OSM.
    Downloads: 0 This Week
    Last Update:
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  • 15
    GPSylon is a Java moving map application that is able to display maps like in an atlas and show your position by the use of a gps device. It may track your path, load overlays (e.g. shape files), download maps from expedia servers. - The source code was moved to github!
    Downloads: 0 This Week
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  • 16
    This module provides functions for calculating the path to a map tile at OpenStreetMap out of geographic coordinates.
    Downloads: 0 This Week
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  • 17
    GeoAr intends to be a rich client for WMS and WFS services. It's developed on LZX (OpenLaszlo), so it would serve dhtml(near future) and flash to the user's browser giving the chance of select between them, but having only one server's cource code.
    Downloads: 0 This Week
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  • 18
    Gmapper is a PHP class aimed at easing the integration of google maps in web pages. It generates all the JS Code needed for advanced functions such as geocoding and driving directions.
    Downloads: 0 This Week
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  • 19
    Integrate large databases of points with Google Maps without overloading db or client browser. Server-side example in simple PHP with server & client side caching, easily portable. Data loaded in chunks and when zoomed an area overview is shown. Simple D
    Downloads: 0 This Week
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  • 20
    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
    Downloads: 0 This Week
    Last Update:
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  • 21
    Java and ColdFusion libraries to lookup country code and language from IP address. It uses a local copy of the WHOIS database to perform fast, accurate lookups of country codes. Useful for log analysis, internationalization, geolocation, etc..
    Downloads: 0 This Week
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  • 22
    JetSteam-3D is 3D GIS technology developed by Alchemedia. that allows the streaming of image,DEM,X3D,and WFS data to an applet. The javascript enabled applet allows the creation of 3D enabled WebGIS applications using typical AJAX techniques.
    Downloads: 0 This Week
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  • 23

    MapIgniter2

    Web Mapping Platform

    MapIgniter2 is web mapping platform to publish and manage geographic information powered by Laravel 5, OpenLayers 3 and AngularJS
    Downloads: 0 This Week
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  • 24
    Important information!!! The Mapbender project moved under the roof of the Open Source Geospatial Foundation at http://www.osgeo.org/. All downloads and information are linked from the project site at http://www.mapbender.org/
    Downloads: 0 This Week
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  • 25
    Mobilemaps is a Nearby Engine which allows users to find Web pages by location. Extremely fast and capable of scaling to any number of pages, it supports OpenGIS map-servers and uses MySQL, Perl and C.
    Downloads: 0 This Week
    Last Update:
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