rbush
High-performance 2D spatial index for rectangles (based on R*-tree with bulk loading and bulk insertion algorithms)
geojson-vt
Slice GeoJSON data into vector tiles efficiently
kdbush
A very fast static 2D index for points based on kd-tree.
flatbush
Fast static spatial index for rectangles
io.extendreality.zinnia.unity
A collection of design patterns for the Unity software that can be beneficial in (but not limited to) spatial computing development.