RBush — a high-performance JavaScript R-tree-based 2D spatial index for ...
A very fast static spatial index for 2D points and rectangles in JavaScr...
an R-Tree library for Go
Spatial index library with R*Tree, STR-Tree, Quadtree, CritBit, KD-Tree,...
R-Tree Implementation for C#
GeoJSON implementation of RBush — a high-performance JavaScript R-tree-b...