A fully featured, user friendly, open source Geographic Information System (GIS) with similar power to ArcGIS and MapInfo.




A fully featured, user friendly, open source Geographic Information System (GIS) with similar power to ArcGIS and MapInfo.





Marble is a Virtual Globe and World Atlas that you can use to learn more about Earth: You can pan and zoom around and you can look up places and roads. A mouse click on a place label will provide the respective Wikipedia article.

RouteConverter displays, modifies, enriches and converts GPS data between over 75 formats. It works without installation under Linux, Mac OS X and Windows, automatically detects the format of a file, supports drag and drop, undo and redo, offers a map view onto the positions of...

World Wind lets you zoom from satellite altitude into any place on Earth. Leveraging Landsat satellite imagery and Shuttle Radar Topography Mission data, World Wind lets you experience Earth terrain in visually rich 3D, just as if you were really there.



Open source project displaying aircrafts, vessels and gps trackers on a map. Browse through the data based on a particular aircraft, airline,airport, owner, vessel or tracker to search through the database or see extensive statistics.




Ascend Maps is an open-source and privacy-friendly application for maps and GPS featuring 3D terrain, offline search, track recording and editing, advanced overlays such as slope angle shading and aspect shading, and more.




Geotag is an open source program that allows you match date/time information from photos with location information from a GPS unit or from a map



A fast driving directions API with world wide coverage. Based on open source software and OpenStreetMap. Stay independent and flexible.


GRASS GIS (Geographic Resources Analysis Support System) is an open source, free software (FOSS) Geographical Information System (GIS) with raster, topological, vector, image processing, and visualization functionality.


GMap.NET is great and Powerful, Free, cross platform, open source .NET control. Enable use routing, geocoding, directions and maps from Google, Yahoo!, Bing, OpenStreetMap, ArcGIS, Pergo, SigPac, Yandex, Mapy.cz, Maps.lt, iKarte.




OpenMapTiles is a set of open-source tools for self-hosting of OpenStreetMap maps in more than 50 languages. It provides both raster as well as vector tiles, WMS and WMTS services for GIS programs, support for JavaScript viewers and mobile SDK.

PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS), much like ESRIs SDE...

GPSBabel converts waypoints, tracks, and routes between popular GPS receivers such as Garmin or Magellan and mapping programs like Google Earth or Basecamp. Literally hundreds of GPS receivers and programs are supported. It also has powerful manipulation tools for such data.



No-code application to explore and publish all kinds of data: datasets, tables, charts, maps, stories, and more. Forever free and open source project powered by open standards and generative AI.



Modest Maps is a small, extensible, and free library for designers and developers who want to use interactive maps in their own projects. It provides a core set of features in a tight, clean package with plenty of hooks for additional functionality.

GpsPrune is an application for viewing, editing and converting coordinate data from GPS systems. Basically it's a tool to let you play with your GPS data after you get home from your trip.




The reference implementation of the Open Geospatial Consortiums WFS and WMS services, GeoServer is a full featured open source software server written in Java that allows users to query, visualize, combine, edit and publish spatial data over the web.
QLandkarte GT is a powerful Open Source GIS application to display your GPS data on a variety of maps. It's target is the less the scientific user but the private outdoor aficionado


OpenCPN is a free software (GPLv2) project to create a concise chart plotter and navigation software, for use underway or as a planning tool.

Traccar is open source server for various GPS tracking devices. At the moment server supports many types of trackers, mostly cheap devices made in Asia. An simple web application to manage devices.

