A dynamic, loose octree implementation for Unity written in C#

O-CNN: Octree-based Convolutional Neural Networks for 3D Shape Analysis

PlenOctree Volume Rendering (supports CUDA & fragment shader backends)

The Point Processing Toolkit (pptk) is a Python package for visualizing and processing 2-d/3-d point clouds.

OctNet: Learning Deep 3D Representations at High Resolutions

Deep Reinforcement Learning for Robotic Grasping from Octrees

Fast radius neighbor search with an Octree (ICRA 2015)

UFOMap: An Efficient Probabilistic 3D Mapping Framework That Embraces the Unknown

DBScan algorithm using Octrees to cluster 3D points in a space with PCL Library

Benchmark of various spatial data structures for collision detection.

A sparse octree data structure.

Open source library for scientific HPC

A dynamic, loose octree implementation written in C# as a .NET Standard 2.1 library

Spatial index library with R*Tree, STR-Tree, Quadtree, CritBit, KD-Tree, CoverTree and PH-Tree

Find nearby 3D objects in constant time O(1).

Generation of planets with dynamic terrain

Octree/Quadtree/N-dimensional linear tree

Flying pathfinding prototype using an Octree in Unity 3D

Quad/octree building for FMMs in Python and OpenCL

3D polygonal mesh renderer with dynamic level-of-detail (LOD).