As Project’s repository says (https://github.com/GIScience/openrouteservice ), the demonstration server comes with both backend and frontend and subsequently says that it’s frontend is an forked and edited version of GraphHopper which is, as far as I’m corncerned, a frontend service.
Does ORS have itself a frontend app or it uses GraphHopper?
nils
April 30, 2020, 4:57am
2
No you got it mixed up. The backend builds on GH (though really just some core stuff, most is ours) and our frontend is our own entirely:
# Openrouteservice
[](https://travis-ci.org/GIScience/openrouteservice-app)
Openrouteservice is a online route planning application that is based on open source software, open data and open standards.

## Installation
The openrouteservice client requires **nodejs** and a valid **Api-Key** to access the openrouteservice API. Also make sure that **git** is installed.
- [git](https://git-scm.com/downloads)
- [nodejs](https://nodejs.org/en/download/package-manager/)
- [Api-key](https://openrouteservice.org/sign-up/)
### Permission Issues
If you encounter any [permission issues](https://github.com/npm/npm/issues/18380) during the installation:
- *on Linux:* try running npm-commands with `sudo` :
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And what’s the question here?