OpenStreetMap
OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Open Source Geospatial Foundation
OSGeo, the OpenSource for GeoSpatial Fosters global adoption of open geospatial technology by being an inclusive software foundation.
Spatial without Compromise · QGIS Web Site
Explore QGIS's exceptional cartographic design features to craft outstanding maps for desktop, mobile, cloud, and print media. Experience QGIS's extensive set of design options to bring your maps to life. …
7 Best Open Source Mapping Tools That Transform Digital Maps
Discover 7 powerful open source mapping tools that deliver professional-grade GIS capabilities without costly software. From QGIS to OpenStreetMap, transform your geospatial projects today.
16 Open-source Library and Frameworks to Build 3D Maps and 3D ...
Sep 23, 2025 · In this post, I’m diving deep into the most powerful open-source 3D and geospatial tools shaping the future of spatial computing.
MapLibre
Open-source C++ library for displaying maps inside your mobile or desktop applications, embedded devices or even cars. GPU-acceleration through OpenGL, Metal or Vulkan.
14 Open-Source & Free GIS Software in 2025 - SoftwareSuggest
Sep 27, 2023 · Unlock powerful spatial analysis and visualization capabilities with the help of the top 14 open-source & free GIS software for smarter mapping and analysis.