potrace - Open source program that transforms bitmaps into vector graphics.
Geocode Earth - Build smarter location experiences with our fast, accurate & affordable geocoding solutions.
Vectorizer.io - Fast and easy way to vectorize an image online
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
Autotracer.org - Free online image vectorizer
Google Places API - Google Places API is a best-in-class platform that offers a complete information about multiple places using HTTP requests.