QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)
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Kepler.gl is a powerful open source geospatial analysis tool for large-scale data sets.
Download, model, analyze, and visualize street networks and other geospatial features from OpenStreetMap.
- openstreetmap
- gis
- street-networks
- overpass-api
Mapnik is an open source toolkit for developing mapping applications
- mapnik
- c-plus-plus
- mapping
- cartography
A Python package for interactive mapping and geospatial analysis with minimal coding in a Jupyter environment
- ipyleaflet
- folium
- mapping
- python
A .NET GIS solution that is fast and reliable for the .NET platform.
- topology
- nts
- sfs
- c-sharp
Cartopy - a cartographic python library with matplotlib support
- cartopy
- matplotlib
- python
- geometry
Simple Yet Powerful Geo Library for PHP
- php
- vincenty
- polyline
- area-calculator
Geo-related tools PHP 7.3+ library built atop Geocoder and React libraries
- php
- geolocation
- geotools
- geo
Neo4j Spatial is a library of utilities for Neo4j that faciliates the enabling of spatial operations on data. In particular you can add spatial indexes to already located data, and perform spatial operations on the data like searching for data within specified regions or within a specified distance of a point of interest.
- neo4j
- neo4j-database
- geoserver
- spatial-data
Open-source backend for Kepler.gl. Self-hosted alternative to CARTO and Foursquare Studio.
- athena
- bigquey
- deck-gl
- gis-platform
Command line tools for processing and uploading Mapillary imagery
Upload your own aerial images, position (rubbersheet) them in a web interface over existing map data, and share via web or composite and export for print.
- hacktoberfest
Desktop based tool for viewing, editing and saving road network maps for autonomous vehicle platforms such as Autoware.
The Complete Street Rule for ArcGIS CityEngine is a scenario oriented design tool intended to enable users to quickly create procedurally generated multimodal streets.
- complete
- streets
- transportation
- cityengine
apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI
Simple Features is a pure Go Implementation of the OpenGIS Simple Feature Access Specification
RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates
- scala
- rtree
- 2d
- str
An open source Geoservices Implementation (deprecated)
Open framework for calculating spatial urban sprawl indices and performing disaggregated population estimates using open data
- openstreetmap
- overpass-api
- urban-planning
- urban-sprawl
An Elixir implementation of the CONREC algorithm for topographic or isochrone maps.
- gis
- conrec
- map
- elixir
New York City Census Reporting Tool
- census-data
- demographics
- nyc
- ember
Draw a polygon on the map or paste a geoJSON and explore how the s2.RegionCoverer covers it with S2 cells depending on the min and max levels
- s2
- geojson
- go
DE-9IM spatial predicate library implemented in Javascript.
- de-9im
- spatial
- predicates
- javascript