Emscripten: An LLVM-to-WebAssembly Compiler

The WebAssembly Binary Toolkit

Open Source Routing Machine - C++ backend

Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL

Build vector tilesets from large collections of GeoJSON features.

Automatically exported from code.google.com/p/smhasher

Keystone assembler framework: Core (Arm, Arm64, Hexagon, Mips, PowerPC, Sparc, SystemZ & X86) + bindings

Custom memory allocators in C++ to improve the performance of dynamic memory allocation

A memory allocator that automatically reduces the memory footprint of C/C++ applications.

Import OpenStreetMap data into a PostgreSQL/PostGIS database

Geometry Engine, Open Source

Portable header-only C++ low level SIMD library

Official git repository for libdivide: optimized integer division

NoSQL Redis and Memcache traffic generation and benchmarking tool.

Lighthouse 2 framework for real-time ray tracing

Reference implementation of Dragonbox in C++

A C++ library for linear algebra and geometry manipulation for computer graphics.

Official source code repository for Freematics

High Performance Visualization

Diffusion-limited aggregation, fast.

emscripten clang

Fast Hilbert Curves

Check the support of your graphics card to support Apple's Video Decode Acceleration framework and play h264 content with hardware acceleration.

A benchmark for sorting algorithms

A statically-typed strictly-evaluated garbage-collected readable programming language.

An example spatial lookup service. In-memory reverse geocode backed by GEOS.

A simple and dynamic hash map in C.

Conspicuity device with support for ADS-L, OGN, FLARM for General Aviation