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

GoogleTest - Google Testing and Mocking Framework

A modern formatting library

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)

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

A toolkit for making real world machine learning and data analysis applications in C++

RetDec is a retargetable machine-code decompiler based on LLVM.

The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. This project aims to help C++ developers connect to an…

Cross-Platform C++ GUI Library

HarfBuzz text shaping engine

CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.

a modern C++ GUI library

A simple C++14 signal-slots implementation

A tiny self-contained path manipulation library for C++