How to: Data Visualization on Maps
* [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
  * [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](http://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.

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