Yes, that came out weird. If you know, you know.

Digitizing informal public transport on OSM through collaboration. Volunteers ride routes to trace them. Universities and civic groups strengthen the base map. Trufi helps turn this into GTFS so it can live inside apps. The result is not just an app, but a system where open data empowers both riders and planners.

Note: A Spanish language podcast with a few curated quotes in English on the page.

The BusBoy app pointed him to usable routes in the city, and locals confirmed the details. But at the edge of town, Christoph met the reality of inter-city travelers: There's no app for that (yet).

Mainstream mobility experts often discount the scale and vitality of informal transport, and the role of open data such as OSM. At UITP 2025, we pierced the bubble and connected with our allies.

You can sponsor our student mapping stars to attend SotM LATAM here.

And by sharing his app and data openly, Salim demonstrated the power of open-source collaboration.

The F24 ferry in Berlin shows that informal, community-driven transport deserves recognition—whether it’s a small ferry in Europe or a minibus in Lagos.

We were invited to join this community – and finally use our one-year-old Lemmy account. Trufi Association is an international NGO that creates open source apps making sustainable mobility convenient for users, and open data for transport innovation, research, and better cities.

Find us on the Fediverse at @TrufiAssoc@urbanists.social