Projects
- worldwide live map of public transit vehicles
- software suite for rendering public transit maps demo1 demo2 demo3
- map-matcher for GTFS schedule datasets
- validate, tidy, filter, and compress GTFS schedule datasets
- first to offer GTFS data covering all of Germany
- binary movie reviews
- static page generator implemented in a 200 LOC Makefile demo
- quality assurance for public transit stations in OpenStreetMap demo
- station similarity classification
- go library for parsing GTFS feeds
- convert a GTFS feed into a shapefile
- editor for the table algebra demo
- interpreter for a dialect of SASL
- JS library for interpreting a dialect of SASL demo
- convert the Deutsche Bahn API into a valid GTFS feed
- matomo plugin to log login failures
- JS and Java library for interpreting a dialect of JSASL
Publications
See my list of publications here.
Books
Freelance
I do freelance work in the areas of web development, backend development, and all things transit (route planning, converting and analyzing schedule datasets, realtime data, ...)
Press