primitive-geometry
Geometries for 3D rendering, including normals, UVs and cell indices (faces). Perfect if you want to supercharge your dependency folder... with 30KB of geometries.
egm96-universal
A library to convert between EGM96-relative altitudes and WGS84 ellipsoid-relative altitudes
primitive-ellipsoid
An ellipsoid geometry for 3D rendering, including normals, UVs and cell indices (faces).
@math.gl/proj4
Proj4js wrapper for conversion between geospatial CRS (coordinate reference systems)