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

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

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

Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2

Sourcetrail - free and open-source interactive source explorer

cross-platform (Qt), open-source (GPLv3) video editor

a small build system with a focus on speed

ZeroMQ core engine in C++, implements ZMTP/3.1

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

A microbenchmark support library

EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.

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.

Mesh optimization library that makes meshes smaller and faster to render

Guidelines Support Library

Interactive field-aligned mesh generator

Performance-portable, length-agnostic SIMD with runtime dispatch

Sol3 (sol2 v3.0) - a C++ <-> Lua API wrapper with advanced features and top notch performance - is here, and it's great! Documentation:

A C++11 library for serialization

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

C/C++ Performance Profiler

HIP: C++ Heterogeneous-Compute Interface for Portability

A date and time library based on the C++11/14/17 <chrono> header

A collection of out-of-tree LLVM passes for teaching and learning

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

MTuner is a C/C++ memory profiler and memory leak finder for Windows, PlayStation 3/4/5, Nintendo Switch, Android and other platforms

C/C++ language server supporting multi-million line code base, powered by libclang. Emacs, Vim, VSCode, and others with language server protocol support. Cross references, completion, diagnostics, …

Change C++ code at runtime

PNG encoder and decoder in C and C++.

Header-only C++ binding for libzmq

MaterialX is an open standard for the exchange of rich material and look-development content across applications and renderers.