Bitcoin Core integration/staging tree

Open Source Computer Vision Library

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

JSON for Modern C++

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

The Serenity Operating System 🐞

An open-source C++ library developed and used at Facebook.

The open-source database for the realtime web.

Emscripten: An LLVM-to-WebAssembly Compiler

Solidity, the Smart Contract Programming Language

A modern formatting library

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

A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

A General-purpose Task-parallel Programming System using Modern C++

MSVC's implementation of the C++ Standard Library.

Point Cloud Library (PCL)

Repository for OpenCV's extra modules

Monero: the secure, private, untraceable cryptocurrency

High performance server-side application framework

Intel® RealSense™ SDK

Guidelines Support Library

A fast compressor/decompressor

Ethereum miner with OpenCL, CUDA and stratum support

Zcash - Internet Money

Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code

Simple MPL-2.0-licensed C++ geometry processing library.

Range library for C++14/17/20, basis for C++20's std::ranges

🛡 I2P: End-to-End encrypted and anonymous Internet

Doom 3 GPL source release

Intel® Performance Counter Monitor (Intel® PCM)