Mapping, geospatial & alternative cartography tools
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A small open-source JavaScript library for browser-based maps.
Mapping, geospatial & alternative cartography toolsLeaflet helps developers build interactive web maps with a compact JavaScript library rather than a full GIS stack. It includes common mapping primitives such as tile layers, markers, popups, vector shapes, image overlays, GeoJSON handling, map controls, mobile gestures, and an extension system for plugins.
0 votesVisit siteDesktop GIS focused on geoscientific and terrain analysis.
Mapping, geospatial & alternative cartography toolsSAGA GIS is a geospatial analysis project for working with scientific mapping and earth-surface data. The site functions mainly as a gateway to the SAGA project information and its SourceForge project page for downloads and updates.
0 votesVisit siteCollaborative cloud GIS for maps, spatial apps, and dashboards.
Mapping, geospatial & alternative cartography toolsFelt is a browser-based GIS platform for creating maps, geospatial dashboards, and lightweight spatial applications. It supports file uploads, cloud database connections, geocoding, styling, sharing controls, comments, embeds, exports, and developer workflows through a Python SDK and QGIS plug-in.
0 votesVisit siteOpen-source desktop GIS for mapping, editing, and spatial analysis.
Mapping, geospatial & alternative cartography toolsQGIS is a free, open-source geographic information system for building maps, editing spatial layers, running analysis, and preparing print or digital map outputs. It supports professional cartography, digitizing tools, automated processing workflows, reports, and integration with many geospatial formats and web standards.
0 votesVisit siteQuery OpenStreetMap data and inspect the results on a live map.
Mapping, geospatial & alternative cartography toolsoverpass turbo is a browser-based workspace for writing and running Overpass API queries against OpenStreetMap. It displays returned features on an interactive map and provides tools for sharing, styling, saving, loading, and exporting query results.
0 votesVisit siteA browser tool for fast geospatial analysis and map visualizations.
Mapping, geospatial & alternative cartography toolskepler.gl is a web-based application for building analytical visualizations from geospatial data. It focuses on high-performance map rendering in the browser using WebGL and is designed to work with different kinds of spatial datasets.
0 votesVisit siteA community toolkit for rendering vector maps across browsers and devices.
Mapping, geospatial & alternative cartography toolsMapLibre is an open-source organization maintaining mapping libraries and specifications for building interactive maps. Its projects include a TypeScript web renderer, native C++ map rendering for mobile and desktop apps, style and tile specifications, and Martin, a Rust-based vector tile server/generator.
0 votesVisit siteDeveloper maps, geocoding, and self-hosting in one platform.
Mapping, geospatial & alternative cartography toolsMapTiler is a mapping platform for adding customizable maps, location search, and geospatial data layers to web and mobile applications. It combines hosted basemaps, SDKs, data upload and processing tools, and on-premise options for teams that need more control over map delivery.
0 votesVisit siteAn open-source JavaScript library for building rich web maps.
Mapping, geospatial & alternative cartography toolsOpenLayers is a free BSD-licensed JavaScript mapping library for adding interactive maps to websites and web apps. It can render tiled maps, vector layers, markers, OGC services, and common geospatial formats while supporting modern browser rendering technologies such as Canvas and WebGL.
0 votesVisit siteDesktop software for exploratory spatial statistics and cluster mapping.
Mapping, geospatial & alternative cartography toolsGeoDa is a free, open-source desktop application for exploring spatial patterns in point and polygon data. It emphasizes exploratory spatial data analysis, linked maps and charts, spatial autocorrelation statistics, cluster detection, and introductory spatial regression without requiring users to code.
0 votesVisit siteSpatial database features for PostgreSQL-backed GIS applications.
Mapping, geospatial & alternative cartography toolsPostGIS is an open-source extension that adds geospatial storage, indexing, and analysis capabilities to PostgreSQL. It supports geometry and raster workflows, including spatial queries, distance and area calculations, buffering, intersections, geocoding, and integration with common GIS and mapping tools.
0 votesVisit siteA web tool for finding, analyzing, and downloading satellite scenes.
Mapping, geospatial & alternative cartography toolsEOSDA LandViewer is a browser-based platform for searching recent satellite imagery, viewing it on a map, and performing basic analysis before downloading. It combines access to free imagery with options for commercial satellite data, making it useful for users who need more current or specialized scenes than standard map layers provide.
0 votesVisit siteCreate shareable OpenStreetMap-based maps without running GIS software.
Mapping, geospatial & alternative cartography toolsuMap is a web tool for building interactive maps on top of OpenStreetMap layers. Users can add markers, lines, and polygons, style those features, import common geospatial files, and share or embed the finished map on another site.
0 votesVisit siteOpen-source GIS software for raster, vector, and temporal analysis.
Mapping, geospatial & alternative cartography toolsGRASS GIS is a free geospatial analysis system for working with raster, vector, imagery, and spatial databases. It is aimed at demanding analytical workflows such as terrain modeling, hydrology, ecosystem studies, and time-series geospatial processing, with automation available through its Python API.
0 votesVisit siteCloud-scale satellite data and analysis for monitoring Earth’s changes.
Mapping, geospatial & alternative cartography toolsGoogle Earth Engine is a cloud platform for analyzing satellite imagery and other geospatial datasets at very large scale. It gives researchers, scientists, nonprofits, and developers access to decades of imagery and environmental data, along with tools for writing algorithms that detect change, map patterns, and measure conditions on Earth’s surface.
0 votesVisit sitePandas-style geospatial analysis for Python data workflows.
Mapping, geospatial & alternative cartography toolsGeoPandas is an open-source Python project that adds geometry-aware data types and spatial operations to pandas-style workflows. It combines pandas tabular handling with Shapely geometry operations, plus file access and plotting support through related Python geospatial libraries.
0 votesVisit siteA searchable archive of rare maps with modern geospatial viewing tools.
Mapping, geospatial & alternative cartography toolsThe David Rumsey Historical Map Collection is an online archive of roughly 150,000 digitized maps, atlases, globes, and related cartographic images. It supports browsing and searching through the LUNA viewer, with specialized tools for georeferencing, text-on-map search, interactive globes, and map viewing in platforms such as Google Earth and Google Maps.
0 votesVisit siteDaily regional OpenStreetMap extracts for GIS and self-hosted maps.
Mapping, geospatial & alternative cartography toolsGeofabrik Download Server provides free regional extracts of OpenStreetMap data for people who need local copies instead of querying OSM directly. Downloads are organized by continent and country, with large prebuilt files suitable for GIS analysis, conversion pipelines, routing engines, and self-hosted map services.
0 votesVisit siteA local GIS toolkit for terrain, hydrology, LiDAR, and raster analysis.
Mapping, geospatial & alternative cartography toolsWhitebox provides a large collection of geospatial analysis tools usable from QGIS, Python, and R. Its open tier covers terrain modeling, hydrology, LiDAR, remote sensing, raster, and vector workflows, while licensed Pro bundles add structured reporting and reproducibility features for higher-stakes work.
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