Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

Seamless operability between C++11 and Python

A simple C++11 Thread Pool implementation

Draco is a library for compressing and decompressing 3D geometric meshes and point clouds. It is intended to improve the storage and transmission of 3D graphics.

GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats.

Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%.

JPEG XL image format reference implementation

Fast & memory efficient hashtable based on robin hood hashing for C++11/14/17/20

An easy-to-use Python library for processing and manipulating 3D point clouds and meshes.

a header-only, constexpr alternative to gperf for C++14 users

Library for reading and writing large multi-dimensional arrays.

C++ implementation of a fast hash map and hash set using robin hood hashing

Official git repository for libdivide: optimized integer division

A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion

Compressed numerical arrays that support high-speed random access

C++ header-only library with methods to efficiently encode/decode Morton codes in/from 2D/3D coordinates

Connected components on discrete and continuous multilabel 3D & 2D images. Handles 26, 18, and 6 connected variants; periodic boundaries (4, 8, & 6)

C++ implementation for computing occupancy grids and signed distance functions (SDFs) from watertight meshes.

A complete implementation of 10918-1 (JPEG) coming from jpeg.org (the ISO group) with extensions for HDR, lossless and alpha channel coding standardized as ISO/IEC 18477 (JPEG XT).

Euclidean distance & signed distance transform for multi-label 3D anisotropic images using marching parabolas.

SSIMULACRA 2. Perceptual metric.

Skeletonize densely labeled 3D image segmentations with TEASAR. (Medial Axis Transform)

A minimalistic and high-performance SAT solver

Lossless compressor of multidimensional floating-point arrays

Python wrapper for Google's Draco mesh compression library.

Probably the fastest C++ dbscan library.

Standalone marching cubes implementation and Python bindings

TinyMesh is a light-weight mesh processing library in C/C++.

Multi-core CPU implementation of deep learning for 2D and 3D sliding window convolutional networks (ConvNets).