The most powerful data validation library for JS

WebGL map rendering engine for creative cartography

A quick, simple tool for creating, viewing, and sharing spatial data

A data validation library in JavaScript for the browser and Node.js, inspired by Laravel's Validator.

Draw tools for mapbox-gl-js

Transit data visualization

The server and client used in transit map simulations like swisstrains.ch

Creating interactive visualizations with Python

🍴 browser-based spatial operations

probabilistic multi-agent trip simulation with physically realistic GPS modeling

A web-based GTFS editing framework. THIS PROJECT IS DEPRECATED. See https://github.com/ibi-group/datatools-ui for current version.

Core application for IBI's transit data tools suite.

tile indexed geo database interface.

GTFS workflow tool **This project is DEPRECATED, see conveyal/datatools-manager for current version.**

Prototype visualizations of selected data in the FHWA's Research Data Environment

A command-line utility for creating GTFS-Ride data from APC data.

Analyst Extensions to OpenTripPlanner

Simple demo webapp for transitive.js

reroute/sf Transit Hackathon App