Protocol Buffers - Google's data interchange format

Emscripten: An LLVM-to-WebAssembly Compiler

ESP8266 core for Arduino

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

Abseil Common Libraries (C++)

A fast JSON parser/generator for C++ with both SAX/DOM style API

Cap'n Proto serialization/RPC system - core tools and C++ library

Drogon: A C++14/17/20 based HTTP web application framework running on Linux/macOS/Unix/Windows

High performance server-side application framework

Diablo build for modern operating systems

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…

🌱Light and powerful C++ web framework for highly scalable and resource-efficient web application. It's zero-dependency and easy-portable.

Crow is very fast and easy to use C++ micro web framework (inspired by Python Flask)

Guidelines Support Library

Sigil is a multi-platform EPUB ebook editor

nghttp2 - HTTP/2 C Library and tools

A cross-platform multimedia framework based on Qt and FFmpeg. 基于Qt和FFmpeg的跨平台高性能音视频播放框架. Recommand to use new sdk https://github.com/wang-bin/mdk-sdk

A Nintendo 3DS Emulator

A modern C++ network library for developing high performance network services in TCP/UDP/HTTP protocols.

Open source Home Automation System

🎨 Qt widgets-based implementation of the Material Design specification.

Protocol Buffers implementation in C

Chromium fork for Windows XP/2003 and up

A C++ library of Concurrent Data Structures

AndroidAuto headunit emulator

GridDB is a next-generation open source database that makes time series IoT and big data fast,and easy.

a modern C++ GUI library

The C++ Network Library Project -- cross-platform, standards compliant networking library.