c++20

Follyfacebook/folly

A C++20 library from Facebook focused on performance and practicality, complementing std and Boost with components used at scale.

openageSFTtech/openage

A free engine clone of the Genie Engine used by Age of Empires, Age of Empires II, and Star Wars: Galactic Battlegrounds.

Drogonan-tao/drogon

A high-performance C++17/20 HTTP web framework for building asynchronous, cross-platform server applications.

Taskflowtaskflow/taskflow

A fast, expressive, and header-only C++ library for building task-parallel programs with static, dynamic, and conditional task graphs.

Box2Derincatto/box2d

A high-performance 2D physics engine for games with continuous collision detection, multithreading, and SIMD optimization.

ClipboardSlackadays/Clipboard

A fast, feature-packed, and user-friendly clipboard manager for the terminal with infinite clipboards and history.

Cindercinder/Cinder

A peer-reviewed, free, open source C++ library for professional-quality creative coding.

NumCppdpilger26/NumCpp

A templatized header-only C++ implementation of the Python NumPy library for numerical computing.

CTREhanickadot/compile-time-regular-expressions

A C++ library for compile-time regular expression matching, searching, and capturing with PCRE-like syntax.

elementscycfi/elements

A lightweight, modular, and embeddable C++20 GUI library with a declarative DSEL interface for building resolution-independent interfaces.

BS::thread_poolbshoshany/thread-pool

A fast, lightweight, modern, and easy-to-use C++17/20/23 thread pool library for high-performance parallel computing.

concurrencppDavid-Haim/concurrencpp

A modern C++ concurrency library providing tasks, executors, timers, and C++20 coroutines for writing highly concurrent applications.

Kokkoskokkos/kokkos

A C++ programming model for writing performance-portable applications targeting all major HPC platforms.

TinyGLTFsyoyo/tinygltf

A header-only C++11 library for loading and saving glTF 2.0 assets, featuring a new C-centric v3 API for low-overhead performance.

Overloadadriengivry/Overload

A free, open-source 3D game engine built in C++20 with Lua scripting and a full-featured editor.

Open-source DriverGPUOpen-Drivers/AMDVLK

An open-source Vulkan driver for AMD Radeon graphics adapters on Linux, built on AMD's Platform Abstraction Library (PAL).

reflect-cppgetml/reflect-cpp

A C++20 library for fast serialization, deserialization, and validation using reflection, supporting JSON, Avro, CSV, Parquet, and more.

btop4winaristocratos/btop4win

A resource monitor for Windows that displays system usage and stats in a user-friendly interface.

robin-hood-hashingmartinus/robin-hood-hashing

A fast and memory-efficient C++ hashmap implementation using robin hood hashing as a drop-in replacement for std::unordered_map/set.