Spatial data analysis
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Desktop 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 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 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.
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 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 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 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 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 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 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 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.
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