C++11

JSON for Modern C++nlohmann/json

A single-header JSON library for modern C++ with intuitive syntax and trivial integration.

Cpp-HttpLibyhirose/cpp-httplib

A C++11 single-file header-only HTTP/HTTPS server and client library for building web services and clients.

Sogou Workflowsogou/workflow

A C++ parallel computing and asynchronous networking framework for building high-performance, high-concurrency backend services.

concurrentqueuecameron314/concurrentqueue

A fast, industrial-strength, lock-free concurrent queue for C++11 supporting multi-producer and multi-consumer patterns.

ZeroMQzeromq/libzmq

A lightweight messaging kernel library that extends socket interfaces with asynchronous message queues and multiple messaging patterns.

ThreadPoolprogschj/ThreadPool

A simple C++11 thread pool implementation for parallel task execution in C++ applications.

Magnummosra/magnum

Lightweight and modular C++11 graphics middleware for games and data visualization, providing platform-independent OpenGL/WebGL abstraction.

CrowCrowCpp/Crow

A fast and easy-to-use C++ microframework for creating HTTP and WebSocket web services.

Boost.Beastboostorg/beast

A C++ header-only library providing low-level HTTP/1, WebSocket, and networking protocol types and algorithms built on Boost.Asio.

cxxoptsjarro2783/cxxopts

A lightweight, header-only C++ library for parsing GNU-style command line options with a simple, intuitive API.

JavaCPPbytedeco/javacpp

A Java library providing efficient, zero-overhead access to native C++ code using JNI and annotations.

CerealUSCiLab/cereal

A header-only C++11 serialization library for converting data types to binary, XML, or JSON formats.

readerwriterqueuecameron314/readerwriterqueue

A fast single-producer, single-consumer lock-free queue implementation for C++ with wait-free operations.

CLI11CLIUtils/CLI11

A single-header C++11 command line parser with a simple interface and rich feature set.

Coostidealvin/coost

A lightweight, cross-platform C++11 base library providing high-performance utilities like logging, coroutines, JSON, and networking.

USearchunum-cloud/usearch

A fast, single-file similarity search and clustering engine for vectors and arbitrary objects with multi-language bindings.

TinyOBJLoadertinyobjloader/tinyobjloader

A lightweight, single-file C++11 library for loading Wavefront OBJ 3D models with no dependencies.

evppQihoo360/evpp

A modern C++11 network library for high-performance TCP/UDP/HTTP services, designed for multi-threaded, non-blocking event-driven applications.

RTTRrttrorg/rttr

A C++ library that provides runtime type reflection, enabling introspection and modification of objects at runtime.

dateHowardHinnant/date

A C++ date and time library extending <chrono> with calendar types, time zones, and multiple calendar systems.

Parallel Hashmapgreg7mdp/parallel-hashmap

A family of header-only C++ hashmap and btree containers offering drop-in replacements for std::unordered_map/std::map with superior speed and memory efficiency.

wdtfacebook/wdt

A high-performance embedded library and CLI tool for multi-TCP data transfer between systems at near-hardware speeds.

libcdskhizmax/libcds

A C++ library providing lock-free and fine-grained concurrent data structures with safe memory reclamation algorithms.

SQLiteC++SRombauts/SQLiteCpp

A lightweight and intuitive C++11 wrapper for SQLite3 with RAII design and exception safety.

sqlpp11rbock/sqlpp11

A type-safe embedded domain specific language (EDSL) for SQL queries and results in C++.

json11dropbox/json11

A minimal, header-only JSON library for C++11 providing parsing, serialization, and intuitive value semantics.

LLGLLukasBanana/LLGL

A thin abstraction layer for modern graphics APIs (OpenGL, Direct3D, Vulkan, Metal) across desktop and mobile platforms.

TinyGLTFsyoyo/tinygltf

A header-only C++11 library for loading and saving glTF 2.0 assets, featuring a new C-centric v3 API for low-overhead performance.

Fast C++ CSV Parserben-strasser/fast-cpp-csv-parser

A fast, header-only C++11 library for reading CSV files with automatic column rearrangement, threading for I/O overlap, and configurable parsing features.

CGraphChunelFeng/CGraph

A cross-platform, dependency-free C++ and Python DAG framework for building parallel computational graphs.

tabulatep-ranav/tabulate

A header-only C++11 library for creating and formatting tables in terminals with extensive styling and export options.

TscanCodeTencent/TscanCode

A fast, accurate static code analyzer for C/C++, C#, and Lua that detects defects early in development.

nbindcharto/nbind

A set of headers that make C++11 libraries accessible from JavaScript for Node.js addons and web browsers via asm.js.

marlgoogle/marl

A hybrid thread/fiber task scheduler for C++11 that enables efficient execution of blocking tasks.

miomandreyel/mio

A cross-platform C++11 header-only library for memory-mapped file I/O with zero dependencies.

GitAheadgitahead/gitahead

A graphical Git client for visualizing and managing source code history across Windows, Linux, and macOS.