Description: GraphHopper is an open-source routing engine for various forms of transportation. It is optimized for fast calculations and uses road network data from OpenStreetMap to find the best route between locations for driving, walking, cycling and more.
Type: software
Pricing: Open Source
Description: Appen is a web data annotation platform that helps train AI models by having a crowd of workers manually label data. Companies hire Appen to provide human annotated data.
Type: software