Navitia is an open-source web API, built to provide traveller information on urban transportation networks. It features journey planning, next departures and arrivals, timetables, places nearby, transport exploring and isochrones. (source: Navitia)
Navitia

Navitia
Last checked for availability: Friday, November 15, 2019
Specifications
Description Webpage: https://www.navitia.io/features
Source code (download): https://github.com/CanalTP/navitia
License type: Freemium, Open source
Price scheme: https://www.navitia.io/pricing
Usage restrictions: N/A
Software platform: N/A
Code language: C++, Python
API type: REST
API response type: JSON
SDK: N/A