C++11

loguruemilk/loguru

A lightweight, fast, and flexible C++ logging library with minimal dependencies and easy integration.

argstaywee/args

A simple, flexible, header-only C++11 argument parsing library inspired by Python's argparse.

robin-hood-hashingmartinus/robin-hood-hashing

A fast and memory-efficient C++ hashmap implementation using robin hood hashing as a drop-in replacement for std::unordered_map/set.

PHP-CPPCopernicaMarketingSoftware/PHP-CPP

A C++ library for building native PHP extensions with automatic type conversion between C++ and PHP.

Async++Amanieu/asyncplusplus

A lightweight concurrency framework for C++11 inspired by Microsoft PPL, providing tasks, parallel algorithms, and schedulers.

FakeIteranpeer/FakeIt

A simple, expressive, header-only C++ mocking framework for unit testing with support for major compilers and testing frameworks.

nCinenCine/nCine

A cross-platform 2D game engine written in C++11 with optional Lua scripting, emphasizing performance.

toml11ToruNiina/toml11

A feature-rich, header-only C++11/14/17/20 library for parsing and serializing TOML configuration files with full spec compliance.

Bitseryfraillt/bitsery

A header-only C++ binary serialization library optimized for speed, minimal size, and real-time networking.

Portable File Dialogssamhocevar/portable-file-dialogs

A free, single-header C++11 library for cross-platform GUI file dialogs, message boxes, and notifications.

jwt-cppThalhammer/jwt-cpp

A header-only C++11 library for creating and validating JSON Web Tokens (JWT) with comprehensive algorithm support.

Vince's CSV Parservincentlaucsb/csv-parser

A high-performance, fully-featured CSV parser and serializer for modern C++ with streaming, random access, and robust format handling.

libgraphqlparsergraphql/libgraphqlparser

A C++11 GraphQL query parser with C and C++ APIs for building language bindings.

rapidcsvd99kris/rapidcsv

A header-only C++11 CSV parser library with easy-to-use API for reading and writing CSV files.

stdmanjeaye/stdman

Formatted C++20 standard library man pages generated from cppreference for Unix systems.

Sonic-Cppbytedance/sonic-cpp

A high-performance C++ JSON serializing and deserializing library accelerated by SIMD instructions.

linalg.hsgorsten/linalg

A single-header, public domain, short vector math library for C++ inspired by shading languages.

Vireotwitter/vireo

A lightweight, versatile C++11 video processing library with a unified interface for transcoding, remuxing, trimming, and more.

PolyHookstevemk14ebr/PolyHook

A C++11 library providing abstract interfaces for multiple x86/x64 hooking techniques including detours, VEH, and IAT.

cuda-api-wrapperseyalroz/cuda-api-wrappers

Thin, unified C++ wrappers for NVIDIA's CUDA APIs (Runtime, Driver, NVRTC, NVTX) that improve safety and ease of use.

jsonconsdanielaparker/jsoncons

A C++ header-only library for JSON and JSON-like data formats with support for JSON Schema, JSONPath, CBOR, MessagePack, and more.

uv-cppwlgq2/uv-cpp

A C++11 wrapper for libuv providing a simple interface and high-performance networking with TCP, UDP, HTTP, DNS, and timer support.

YASniXman/yas

A high-performance, header-only C++11 serialization library designed as a faster alternative to boost.serialization.

replxxAmokHuginnsson/replxx

A BSD-licensed readline and libedit replacement with UTF-8 support, syntax highlighting, hints, and cross-platform compatibility.

rapidyamlbiojppm/rapidyaml

A fast C++ library for parsing and emitting YAML, designed for performance and low memory usage.

IceCream-CpprenatoGarcia/icecream-cpp

A single-header C++ library for expressive and concise print debugging, replacing cout/printf with powerful formatting and lazy evaluation.

AppImageUpdateAppImage/AppImageUpdate

A tool for updating AppImages in a decentralized manner using delta updates embedded within the AppImage itself.

cppcodectplgy/cppcodec

Header-only C++11 library for encoding/decoding base64, base32, hex, and variants with a consistent, flexible API.

reprocDaanDeMeyer/reproc

A cross-platform C/C++ library for starting, stopping, and communicating with external programs via their standard streams.

visit_structcbeck88/visit_struct

A header-only C++ library for struct-field reflection using visitors, enabling iteration over struct members without built-in reflection.

Channelandreiavrammsd/cpp-channel

A C++11 header-only thread-safe container (synchronized queue) for sharing data between threads with customizable storage.

pedsim_rossrl-freiburg/pedsim_ros

A ROS-based 2D pedestrian simulator using the social force model for robot navigation experiments in crowded scenes.

ordered-mapTessil/ordered-map

A C++ header-only hash map and hash set that preserve insertion order, similar to Python's OrderedDict.

sajsonchadaustin/sajson

A lightweight, extremely high-performance, in-place DOM-style JSON parser for C++11.

SimDBLiveAsynchronousVisualizedArchitecture/simdb

A high-performance, lock-free, shared-memory key-value store for C++11 with zero dependencies, designed for interprocess communication.

StatsLibkthohr/stats

A C++ header-only library of statistical distribution functions with compile-time computing capabilities.