- Changesets
- Diary
- Heatmap
- HowDidYouContribute (requires OSM login)
- nycaabs — tool for researching New York City building data
- nyc_osm_blockmaker — tool for converting New York City building footprints to OSM data
- nyc3dbuildings_multipatch_convertor — tool for converting New York City 3D building data to GeoJSON
- parse-nyc-address — parser for New York City street addresses, also on NPM