Community list of transit APIs, apps, datasets, research, and software 🚌🌟🚋🌟🚂
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Updated
Jul 24, 2026
Community list of transit APIs, apps, datasets, research, and software 🚌🌟🚋🌟🚂
Canonical GTFS Validator project for schedule (static) files.
EN: Browser-based open-source GTFS validator & feed quality analyzer; data stays on-device. TR: Tarayıcıda çalışan açık kaynak GTFS doğrulayıcı ve kalite analiz aracı; veri cihazınızda kalır. JP: ブラウザで動作するオープンソースGTFSバリデーター・品質分析ツール。データは端末内で処理されます。
GAIA-WEB is intended to offer a web interface to G.A.I.A. (GTFS Accurate Insight Analyser) that is basically a tool to verify and manipulate GTFS feeds.
Browser GTFS editor & validator: validate, fix and re-export feeds end to end — grid + map Shape Studio + SQL + AI repair, on MobilityData's canonical validator.
Daily, plain-language GTFS quality scorecards for small transit agencies: the current grade, the three things to fix, and why each one matters. More than 2,600 curated feed records, mostly across the US and Canada with reviewed canaries elsewhere, rescored every day, plus a GitHub Action so an agency can catch a bad export before it ships.
A modern TypeScript library to parse, query, and validate GTFS public-transit feeds. The validator the JS ecosystem was missing.
GTFS Shapes Validator is a web tool that allows you to validate and fix shapes in your GTFS.
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