From OpenStreetMap Wiki
Mapzen (mapzen.com) is an open source mapping lab building mapping tools and services. OpenStreetMap is central to many of its products.
Projects and services
- Pelias, an opensource geocoder using Elasticsearch: demo (Github).
- Tangram, an opensource 3D map rendering library using WebGL: demo (Github).
- A vector tile service.
- Valhalla, an open source routing engine