- GeoJSON-VT (fast GeoJSON processing) https://github.com/mapbox/geojson-vt
- Earcut (triangulating polygons) https://github.com/mapbox/earcut
- Supercluster (point clustering) https://github.com/mapbox/supercluster
- vt-pbf (converting GeoJSON tiles to VT) https://github.com/mapbox/vt-pbf
- vector-tile (decoding vector tiles) https://github.com/mapbox/vector-tile-js
- pbf (fast reading/writing of protobuf) https://github.com/mapbox/pbf
- TinySDF (generating SDF from local CJK fonts) https://github.com/mapbox/tiny-sdf
- Potpack (generating sprite layouts) https://github.com/mapbox/potpack
- grid-index (spatial index for collisions/querying) https://github.com/mapbox/grid-index
- Pixelmatch (image comparison in render tests) https://github.com/mapbox/pixelmatch
- Polylabel (fitting labels into polygons) https://github.com/mapbox/polylabel