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Jannis R
derhuerst
By writing open-source software, I try to make urban infrastructure more accessible & convenient.
freelancer Berlin
Leonard Ehrenfried
leonardehrenfried
I'm a independent software contractor that specialises in OpenTripPlanner and its associated mobility projects. If you need an expert, get in touch!
Freelance Berlin
Evan Siroky
evansiroky
Public transit data wrangler by day. Mapping timezone boundaries in my free time.
@cal-itp Scotts Valley, CA