awesome-geojson

CoGran

: Resample statistics from one set of GeoJSON polygons to another

geo_assigner

: Copy a property to all intersecting features

geojson-coords

: Extract coordinates from GeoJSON

: compute the bounding box of geojson features

geojson-flatten

: flatten multi geometries into normal geometries

geojson-multiply

: merge normal geojson features into one multi geometry type feature

geojson-js-utils

: JavaScript helper functions for manipulating GeoJSON

geojson-merge

: Merge multiple GeoJSON files into one FeatureCollection

geojson-normalize

: normalize any geojson object into a geojson featurecollection

: remove all but specified properties from features in a geojson featurecollection

geojson-random

: generate random geojson points, lines, and polygons

geojson-rewind

: enforce ring winding order

rfc7946-to-d3

: Converts polygon winding order between rfc7946 and conventions

geojson-summary

: get a plain-english summary of what's in a geojson file

: group geojson points into containing polygons

geojson-join

: join geojson against json, dbf, and csv files

simplify-geojson

: apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI

turf

: collection of functions for spatial operations and analysi

turf_dart

: a turf.js port for Dart and Flutter

de9im

: collection of fast functions for spatial javascript operations

winnow

: run sql queries against geojson with javascript

geojson-id-streaming

: Add a unique id to each Feature

geojson-mesh

: extract shared borders of Polygons in a GeoJSON

geojson-polygon-labels

: generate point labels from GeoJSON polygons

geojsontools

: Python tools for manipulating GeoJSON files

geojson-indoor-tools

: Python tools for editing indoor GeoJSON features: adding room heights, building walls and creating doors

geojson-shave

: a Python command-line tool for reducing the size of GeoJSON files

: web-based editor, supports many filetype imports & exports, operations

: web-based editor, supports many filetype imports & exports, operations, sharing via GitHub

: web-based editor, supports sharing on-site

: web-based editor from HERE XYZ

: helps generate svg, images, and code from GeoJSON

gjv

: electron app enables viewing GeoJSON locally and hack on it with turf; works offline

: a modified version of Google's simple geojson editor

geojson2image

: library for generating images from GeoJSON

: browser-based GIS based on Turf.js

: tools to view, inspect, and manipulate geospatial data

: digitize images by overlaying on a web map and drawing

: click on map to add points, download those as GeoJSON file

geojsonhint

: find errors in your geojson files

check-geojson

: alternative to geojsonhint

: many validation functions, plus simple gjv command line tool

gjf

: A tool to fix invalid GeoJSON objects

Jest-GeoJSON

: an extended set of matcher functions for the Jest Javascript unit testing framework tailored to evaluating GeoJSON data

antimeridian

: Fix GeoJSON polygons that cross the antimeridian (Python package)

geojsonio-cli

: send geojson features to geojson.io from your command line

geojsonio-extension

: chrome extension for editing github files in geojson.io

: REST interface for GeoJSON validation

: Simple interface for simplification and conversion of GeoJSON and TopoJSON

: Server with plugins that recast Esri, GitHub, Socrata and other services as GeoJSON endpoints

featureserver

: An open source Esri-Style Feature Server

: Minifier (compressor) to reduce file sizes

csv2geojson

: convert CSV to geojson

geojson2dsv

: convert geojson to CSV and TSV

geojson-mapnikify

: Transform GeoJSON objects into Mapnik XML stylesheets with embedded GeoJSON data and simplestyle-spec-derived styles

geojson-vt

: Slice GeoJSON into vector tiles on the fly in the browser

vt-geojson

: Extract GeoJSON from Mapbox vector tiles

geojson2rtree

: generate a static rtree (using terraformer) from a set of geojson features

: convert anything to anything

fiona

: nice python interface on top of ogr

: convert shapefile zip archives to streaming GeoJSON

togeojson

: convert GPX & KML to geojson

tokml

: convert GeoJSON to KML

topojson

: convert GeoJSON to & from TopoJSON, join data from CSV

wellknown

: convert WKT to GeoJSON

betterknown

: convert WKT to GeoJSON (successor to wellknown)

esri2open

converts proprietary Esri formats to GeoJSON

gtfs2geojson

: convert GTFS transit data to GeoJSON

geoxform

: convert any size stream of geojson into a streaming CSV, Shapefile or KML, etc

supercluster

: A fast GeoJSON clustering library for browsers and Node

geojson2svg

: Converts GeoJSON to SVG string given SVG view port size and maps extent

geojson-svgify

: Convert GeoJSON geometry paths to SVG polyline elements

geojson-to-svg-cli

: Command line tool to convert GeoJSON to SVG

svg-to-geojson

: Drag and drop SVG on the map and it returns GeoJSON back to you

: convert GeoJSON to/from newline-delimited GeoJSON

: convert GeoJSON to/from GeoBuf

osmtogeojson

: convert OpenStreetMap data to GeoJSON

osm2geojson

: converts OSM XML to GeoJSON

osm2geojson

: (Python) converts OSM XML and Overpass XML/JSON to GeoJSON

minjur

: converts OpenStreetMap data to GeoJSON faster than anything else

geojsontoosm

: convert GeoJSON to OSM XML

geojson2osm

: convert GeoJSON to OSM XML

osm-and-geojson

: convert GeoJSON to OSM XML and OSM XML to GeoJSON

geojson2osm-es6

: convert GeoJSON to OSM XML

query-overpass

CLI to make Overpass query and transform result to GeoJSON. Based on

topojson for Python

: Topojson is a library that is capable of creating a topojson encoded format of merely any spatial object in Python

geomet

: Pure Python conversion library for common geospatial data formats

: country, province, and geographical data

: natural earth data in web-friendly sizes with hotlinking

world-atlas

: customizable simplified versions of natural earth data

geo-maps

: High Quality GeoJSON maps programmatically generated

openflights-geojson

: airports & airplane routes

us-atlas

: geojson & topojson for United States features

: regional OpenStreetMap data as GeoJSON

whereonearth-airport

: outlines of every airport

whereonearth-building

: building outlines

: other features output from GeoPlanet by Aaron Straup Cope

tgn-geojson

: The Getty Thesaurus of Geographic Names (TGN) As GeoJSON

strava-to-geojsonio

: export runs & rides from Strava to GeoJSON

strava-geojson

: export strava data to geojson, in node &

: Fetch geojson file by openstreetmap id

country-levels

Full planet GeoJSON extracts, based on ISO and FIPS codes

historical-basemaps

: Collection of georeferenced boundaries of world countries and cultural regions for use in mapping historical data on the world scale

99boundaries

: Generate any maritime & land boundary in GeoJSON and other file formats or

france-geojson

: Outlines of regions, departments, arrondissements, cantons and communes of France (mainland and overseas departments) in GeoJSON format

python-geojson

: serialize geojson to/from python datatypes

rgeo-geojson

: serialize geojson to/from ruby RGeo datatypes

rust-geojson

: serialize geojson to/from rust datatypes

geojson-jackson

: serialize GeoJSON to and from Java datatypes (based on )

mapbox-java

: serialize GeoJSON to and from Java datatypes (based on )

geojson-serializer

: serialize Java with annotations as GeoJSON

: the current GeoJSON standard by IETF

: the first specification, defining all the rules for GeoJSON structures

: a review of the concepts behind the specification in a more narrative format

geojson-invalid-geometry

: List of GeoJSON invalid geometry issues with example files