C++

webviewzserge/webview

A tiny cross-platform webview library for C/C++ to build modern cross-platform GUIs using native web engines.

GitHub repositoryintel-isl/Open3D

An open-source library for rapid development of software dealing with 3D data, with support for C++ and Python.

RetroArchlibretro/RetroArch

A cross-platform frontend for the libretro API, enabling emulators and game engines to run as modular cores.

ArchiSteamFarmJustArchiNET/ArchiSteamFarm

A C# application for farming Steam trading cards from multiple accounts simultaneously without requiring the Steam client.

John The Jumbomagnumripper/JohnTheRipper

An advanced offline password cracker supporting hundreds of hash and cipher types across multiple platforms.

Minetestminetest/minetest

An open-source voxel game engine and creation platform with easy modding and game development tools.

Nmapnmap/nmap

A free and open-source network discovery and security auditing tool for mapping networks and identifying services.

mimallocmicrosoft/mimalloc

A compact, high-performance general-purpose memory allocator with excellent performance and security features.

Ninjaninja-build/ninja

A small build system focused on speed, designed to compile software quickly.

Cap'n Protocapnproto/capnproto

An insanely fast binary data interchange format and capability-based RPC system.

EnTTskypjack/entt

A header-only, fast, and reliable entity-component system (ECS) library for modern C++ game development.

Mongoosecesanta/mongoose

A cross-platform embedded networking library for C/C++ with built-in TCP/IP stack, HTTP, WebSocket, and MQTT support.

Tiledbjorn/tiled

A flexible, general-purpose tile map editor for creating game levels in RPGs, platformers, and other tile-based games.

libfacedetectionShiqiYu/libfacedetection

A high-performance CNN-based face detection library written in pure C++ with SIMD optimizations, achieving up to 1000 FPS.

robotjsoctalmage/robotjs

Node.js native addon for cross-platform desktop automation, controlling mouse, keyboard, and reading screen pixels.

Cituscitusdata/citus

A PostgreSQL extension that transforms Postgres into a distributed database for high performance at any scale.

Z3Z3Prover/z3

A high-performance theorem prover and satisfiability modulo theories (SMT) solver from Microsoft Research.

Redpanda (k)vectorizedio/redpanda

A Kafka-compatible streaming data platform that's 10x faster, with no ZooKeeper or JVM.

Redpandaredpanda-data/redpanda

A Kafka-compatible streaming data platform that is 10x faster, simpler to operate, and free from ZooKeeper and JVMs.

Redpandaredpanda-data/redpanda

A Kafka-compatible streaming data platform that's 10x faster, with no ZooKeeper or JVM dependencies.

RT-ThreadRT-Thread/rt-thread

An open-source, community-driven real-time operating system (RTOS) designed for resource-constrained IoT devices.

SentencePiecegoogle/sentencepiece

An unsupervised text tokenizer and detokenizer for neural network-based text generation systems with subword units.

LZ4lz4/lz4

An extremely fast lossless compression algorithm offering speeds over 500 MB/s per core with a high-speed decoder.

SFMLLaurentGomila/SFML

A cross-platform C++ multimedia library providing windowing, graphics, audio, and networking APIs for game and application development.

SFMLSFML/SFML

A simple, fast, cross-platform C++ multimedia library for windowing, graphics, audio, and networking.

Manticore Searchmanticoresoftware/manticoresearch

An open-source, fast, and easy-to-use database designed for full-text and hybrid search, serving as a drop-in replacement for Elasticsearch.

MediatRjbogard/MediatR

A simple, in-process mediator implementation for .NET that supports request/response, commands, queries, notifications, and events.

Dependencieslucasg/Dependencies

A modern open-source Dependency Walker rewrite for Windows developers to troubleshoot DLL load dependencies.

F Primenasa/fprime

A flight-proven, component-driven framework for rapid development of spaceflight and embedded software applications.

WCDBTencent/wcdb

A cross-platform mobile database framework based on SQLite, offering ORM, encryption, and corruption recovery.

libvipslibvips/libvips

A demand-driven, horizontally threaded image processing library optimized for speed and low memory usage.

h2oh2o/h2o

A high-performance HTTP/1, HTTP/2, and HTTP/3 server written in C, optimized for speed and low latency.

VeraCryptveracrypt/VeraCrypt

Open-source disk encryption software with enhanced security features, based on TrueCrypt.

BenchmarkDotNetdotnet/BenchmarkDotNet

A powerful .NET library for transforming methods into benchmarks, tracking performance, and sharing reproducible measurement experiments.

Jolt Physicsjrouwe/JoltPhysics

A multi-core friendly rigid body physics and collision detection library for games and VR, written in C++.

openalpropenalpr/openalpr

An open-source Automatic License Plate Recognition library written in C++ with bindings for multiple programming languages.