Free and open-source map hosting solution with custom styles for websites and apps, using OpenStreetMap data - hyperknot/openfreemap
Mapnik is an open source toolkit for developing mapping applications - mapnik/mapnik
Raw Data
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Query and order satellite images, aerial photographs, and cartographic products through the U.S. Geological Survey
Earthdata Data Catalog
Tiles
Pyramids of map tiles in a single file on static storage - protomaps/PMTiles
Flexible tool to build planet-scale vector tilesets from OpenStreetMap data fast - onthegomap/planetiler
Build vector tilesets from large collections of GeoJSON features. - felt/tippecanoe
OpenMapTiles Vector Tile Schema Implementation. Contribute to openmaptiles/openmaptiles development by creating an account on GitHub.
Server (tiles vector / raster)
Official GeoServer repository. Contribute to geoserver/geoserver development by creating an account on GitHub.
Blazing fast and lightweight PostGIS, MBtiles and PMtiles tile server, tile generation, and mbtiles tooling. - maplibre/martin
Basic Go server for mbtiles. Contribute to consbio/mbtileserver development by creating an account on GitHub.
Styles
CSS Themes for your Maplibre GL Js Web App. Contribute to lhapaipai/maplibre-theme development by creating an account on GitHub.
A free Mapbox GL basemap style for everyone. Contribute to maputnik/osm-liberty development by creating an account on GitHub.
Styles for OpenFreeMap. Contribute to hyperknot/openfreemap-styles development by creating an account on GitHub.
Front end
🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦 - Leaflet/Leaflet
WebGL map rendering engine for creative cartography - tangrams/tangram
MapLibre GL JS - Interactive vector tile maps in the browser - maplibre/maplibre-gl-js
OpenLayers. Contribute to openlayers/openlayers development by creating an account on GitHub.
is a high-performance, feature-packed library for creating interactive maps on the web. It can display map tiles, vector data and markers loaded from any source on any web page. OpenLayers has been developed to further the use of geographic information of all kinds
Render contour lines from raster DEM tiles in maplibre-gl-js - onthegomap/maplibre-contour