Stars
ClickHouse® is a real-time analytics database management system
An open-source C++ library developed and used at Facebook.
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
Drogon: A C++14/17/20 based HTTP web application framework running on Linux/macOS/Unix/Windows
Multi-Joint dynamics with Contact. A general purpose physics simulator.
A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.
The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.
A simple C++11 Thread Pool implementation
Lightweight and modular C++11 graphics middleware for games and data visualization
Sol3 (sol2 v3.0) - a C++ <-> Lua API wrapper with advanced features and top notch performance - is here, and it's great! Documentation:
A large scale non-linear optimization library
The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
nanobind: tiny and efficient C++/Python bindings
BS::thread_pool: a fast, lightweight, modern, and easy-to-use C++17 / C++20 / C++23 thread pool library
High-performance C++ library for multiphysics and multibody dynamics simulations
High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton.
Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE.
A C++20 library for fast serialization, deserialization and validation using reflection. Supports JSON, Avro, BSON, Cap'n Proto, CBOR, CSV, flexbuffers, msgpack, parquet, TOML, UBJSON, XML, YAML / …
Pitchfork is a Set of C++ Project Conventions
Qucs-S is a circuit simulation program with Qt-based GUI
a lightweight header-only C++17 library of numerical optimization methods for (un-)constrained nonlinear functions and expression templates