# 地图数据可视化 (Data Visualization on Maps)

> 地图 API、地理编码与地图可视化服务。
> 共 21 个免费服务。数据来源:https://github.com/ripienaar/free-for-dev(MIT)。更新时间:2026-09-10

- [Clockwork Micro](https://clockworkmicro.com/) — Map tools that work like clockwork. Fifty thousand free monthly queries (map tiles, db2vector, elevation).
- [Foursquare](https://developer.foursquare.com/) — Location discovery, venue search, and context-aware content from Places API and Pilgrim SDK.
- [geoapify.com](https://www.geoapify.com/) — Vector and raster map tiles, geocoding, places, routing, isolines APIs. Three thousand free requests/day.
- [geocod.io](https://www.geocod.io/) — Geocoding via API or CSV Upload. Two thousand five hundred free queries/day.
- [geocodify.com](https://geocodify.com/) — Geocoding and Geoparsing via API or CSV Upload. 10k free queries/month.
- [geojs.io](https://www.geojs.io/) — Highly available REST/JSON/JSONP IP Geolocation lookup API.
- [Geokeo api](https://geokeo.com) — Geocoding API with language correction and more. Worldwide coverage. 2,500 free daily queries
- [graphhopper.com](https://www.graphhopper.com/) — A free developer package is offered for Routing, Route Optimization, Distance Matrix, Geocoding, and Map Matching.
- [here](https://developer.here.com/) — APIs and SDKs for maps and location-aware apps. 250k transactions/month for free.
- [IP Geolocation](https://ipgeolocation.io/) — Free DEVELOPER plan available with 30K requests/month.
- [ipstack](https://ipstack.com/) — Locate and identify Website Visitors by IP Address
- [LatLng](https://www.latlng.work) — Geocoding, reverse geocoding, places, static maps, and vector map tiles APIs. Free tier includes 3,000 geocoding requests/day, 300 reverse geocoding requests/day, and 100 static map images/day.
- [locationiq.com](https://locationiq.com/) — Geocoding, Maps, and Routing APIs. Five thousand requests/day for free.
- [mapbox.com](https://www.mapbox.com/) — Maps, geospatial services and SDKs for displaying map data.
- [maps.stamen.com](https://maps.stamen.com/) — Free map tiles and tile hosting.
- [maptiler.com](https://www.maptiler.com/cloud/) — Vector maps, map services and SDKs for map visualization. Free vector tiles with weekly updates and four map styles.
- [nominatim.org](https://nominatim.org/) — OpenStreetMap's free geocoding service, providing global address search functionality and reverse geocoding capabilities.
- [opencagedata.com](https://opencagedata.com) — Geocoding API aggregating OpenStreetMap and other open geo sources. Two thousand five hundred free queries/day.
- [osmnames](https://osmnames.org/) — Geocoding, search results ranked by the popularity of related Wikipedia page.
- [positionstack](https://positionstack.com/) — Free geocoding for global places and coordinates. 25,000 Requests per month for personal use.
- [stadiamaps.com](https://stadiamaps.com/) — Map tiles, routing, navigation, and other geospatial APIs. Two thousand five hundred free map views and API requests/day for non-commercial usage and testing. [SqlInt](https://sqlint.com) — In-browser SQL workspace with free tools including a JOIN visualizer, SQL formatter, CSV/JSON to SQL converters, and practice questions with no account or credit card required.