Community & Geodata

OpenStreetMap

Free wiki world map whose data is available under the ODbL, with whole-planet downloads, Shortbread vector tiles, and an editing API for contributing data back.

Official Android app for reading Wikipedia, the free encyclopedia, on the go, with article location maps and Nearby Places.

LINZ Basemaps

Official New Zealand basemap viewer from Land Information New Zealand, which hosts high-resolution aerial imagery and vector tiles. Tiles are served through XYZ, WMTS, and StyleJSON APIs, with data under CC BY 4.0.

Castlemap

Free interactive map of 9,079 castles, fortresses, palaces and ruins across 155 countries, built from Wikidata, Wikimedia Commons and Wikipedia, with downloadable CC0 data.

Gramps Web

Open-source web application for collaborative genealogy and family history research, with interactive maps of places linked to records and family events.

Herb Atlas

Interactive map of small, human-scale US farms that grow medicinal herbs with sustainable and regenerative practices.

fAIr

Open-source AI-assisted mapping tool by the Humanitarian OpenStreetMap Team for training AI models that detect buildings, roads, and trees in imagery, to help humanitarian mappers.

Movie Scene Map

Free map of more than 31,000 real filming locations worldwide, linked to the films and series shot there, built from Wikidata filming-location statements.

Free browser game that highlights a street on the map and asks you to name it, around your location or in any area you choose, with a spaced-repetition learning mode.

Old Maps Online

Website for browsing and searching hundreds of thousands of historical maps from libraries and archives worldwide, with an online tool for georeferencing maps and uploading your own scans.

OpenHistoricalMap

Crowdsourced historical map with data dedicated to the public domain under CC0, offered as daily planet files and vector tiles, plus embeddable dated, animated maps.

Open Infrastructure Map

Open-source project that visualizes global infrastructure, including power lines, telecoms, and utilities, using data from OpenStreetMap.

Ultra

Open-source, web-based IDE for making maps from Overpass, ohsome, and QLever queries or from GeoJSON, GPX, and KML files, with styling in the same editor and sharing as links.

Queering the Map

Community platform where people anonymously pin queer experiences on a global map, creating a shared geographic record of LGBTQ+ life and culture.

Zornade

Free platform that merges 15+ official Italian sources (cadastre, ISPRA hydrogeological risk, OMI property prices, ISTAT demographics) into one profile for each of Italy's 85 million cadastral parcels.

Open-source OpenStreetMap editor for on-the-go surveying: users collect missing data on site through simple quests, and edits upload straight to OpenStreetMap. It works offline.