- github.com/facebook/folly An open-source C++ library developed and used at Facebook.
- github.com/abseil/abseil-cpp Abseil Common Libraries (C++)
- github.com/yyzybb537/libgo a coroutine library and a parallel Programming Library.Go-style concurrency in C++11.
- github.com/rttrorg/rttr C++ Reflection Library
- github.com/progschj/ThreadPool A simple C++11 Thread Pool implementation
- github.com/lballabio/QuantLib The QuantLib C++ library
- github.com/microsoft/STL MSVC's implementation of the C++ Standard Library.
- github.com/nothings/stb stb single-file public domain libraries for C/C++
- github.com/gabime/spdlog Fast C++ logging library.
- github.com/google/glog Google Logging (glog) is a C++98 library that implements application-level logging. The library provides logging APIs based on C++-style streams and various helper macros.
- github.com/emilk/loguru A lightweight C++ logging library
- github.com/Tencent/libco libco is a coroutine library which is widely used in wechat back-end service. It has been running on tens of thousands of machines since 2013.
- github.com/zaphoyd/websocketpp C++ websocket client/server library
- github.com/sogou/workflow C++ Parallel Computing and Asynchronous Networking Engine
- github.com/jbeder/yaml-cpp A YAML parser and emitter in C++
- github.com/linyacool/WebServer A C++ High Performance Web Server
- github.com/yedf2/handy 简洁易用的C++11网络库 / 支持单机千万并发连接 / a simple C++11 network server framework
- github.com/yhirose/cpp-httplib A C++ header-only HTTP/HTTPS server and client library
- github.com/weidai11/cryptopp free C++ class library of cryptographic schemes
- github.com/NVIDIA/thrust The C++ parallel algorithms library.
- github.com/lvandeve/lodepng PNG encoder and decoder in C and C++.
- github.com/bkaradzic/bimg Image library.
- github.com/libigl/libigl A simple C++ geometry processing library
- github.com/open-source-parsers/jsoncpp A C++ library for interacting with JSON.
- github.com/nlohmann/json JSON for Modern C++
- github.com/google/orbit C/C++ Performance Profiler
- github.com/cnjinhao/nana a modern C++ GUI library
- github.com/USCiLab/cereal A C++11 library for serialization
- github.com/alibaba/yalantinglibs yaLanTingLibs 是一个现代C++基础工具库的集合, 现在它包括 struct_pack, struct_json, struct_xml, struct_yaml, struct_pb, easylog, coro_rpc, coro_io, coro_http, metric 和 async_simple
- github.com/edenhill/librdkafka The Apache Kafka C/C++ library
- github.com/SerenityOS/serenity The Serenity Operating System
- github.com/scarsty/kys-cpp 《金庸群侠传》c++复刻版
- github.com/google/mediapipe Cross-platform, customizable ML solutions for live and streaming media.