Top 7 Isochrone Open-Source Projects

Open Source Routing Machine (OSRM)

19 6,074 7.0 C++

Open Source Routing Machine - C++ backend

Project mention: Easiest way to calculate distances between multiple locations? | /r/excel | 2023-05-15

then called the Open Streetmap api described here using Power query: https://github.com/Project-OSRM/osrm-backend/blob/master/docs/http.md

Graphhopper

26 4,673 9.3 Java

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Project mention: The Open Source GraphHopper Routing Engine 8.0 Released | news.ycombinator.com | 2023-10-18

Well I think what he means is that we dropped the explicit support of Android and the example app with offline maps (Mapsforge), see this issue: https://github.com/graphhopper/graphhopper/issues/1940
But offline routing should still work on Android. But as you need JDK 1.8 support this will exclude a few older Android versions and devices, I think.

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
valhalla

9 4,174 9.3 C++

Open Source Routing Engine for OpenStreetMap

Project mention: Seeking a Simple and Cost-Effective Tool for Calculating Distances and Travel Times in Node.js Backend | /r/node | 2023-06-29

openrouteservice

19 1,264 9.8 Java

🌍 The open source route planner api with plenty of features.
cppRouting

1 97 10.0 C++

Algorithms for Routing and Solving the Traffic Assignment Problem
opentripplanner

1 77 4.1 R

An R package to set up and use OpenTripPlanner (OTP) as a local or remote multimodal trip planner. (by ropensci)
conrex

1 54 0.0 Elixir

An Elixir implementation of the CONREC algorithm for topographic or isochrone maps.
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).