C++

rust-opensslsfackler/rust-openssl

OpenSSL bindings for the Rust programming language, providing cryptographic and TLS functionality.

RGBDSgbdev/rgbds

A free assembler/linker toolchain for developing games and software for the Nintendo Game Boy and Game Boy Color.

argstaywee/args

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

GatekeeperAltraMayor/gatekeeper

An open-source, scalable DDoS protection system designed for network operators to withstand high-bandwidth attacks.

bluepyIanHarvey/bluepy

Python interface for Bluetooth Low Energy (BLE) communication on Linux systems.

ORB-SLAMraulmur/ORB_SLAM

A real-time monocular SLAM system for computing camera trajectories and sparse 3D scene reconstruction.

OpenSAGEOpenSAGE/OpenSAGE

A free, open-source re-implementation of the SAGE 3D real-time strategy engine used in Command & Conquer: Generals.

LaserGRBLarkypita/LaserGRBL

A Windows GUI for GRBL specifically optimized for laser cutter and engraver control.

HypersomniaTeamHypersomnia/Hypersomnia

A community-driven multiplayer top-down shooter built from scratch in C++ with an in-game map editor and cross-platform play.

pbccloudwu/pbc

A Google Protocol Buffers library for C that works without code generation.

ThunderSVMXtra-Computing/thundersvm

A fast Support Vector Machine (SVM) library that leverages GPUs and multi-core CPUs for high-performance machine learning.

Security-Enhanced LinuxSELinuxProject/selinux

Upstream repository for the Security Enhanced Linux (SELinux) userland libraries and tools, complementing the kernel's mandatory access control features.

memoryfoonathan/memory

STL-compatible C++ memory allocator library with a simpler RawAllocator concept and various allocator implementations.

SOCISOCI/soci

A C++ database access library providing a simple, unified interface for multiple database backends.

loam_livoxhku-mars/loam_livox

A robust, real-time LiDAR odometry and mapping package optimized for Livox LiDARs with small fields of view.

MoonSharpxanathar/moonsharp

A complete Lua interpreter written in C# for .NET, Mono, Xamarin, and Unity3D platforms with remote debugger support.

restclient-cppmrtazz/restclient-cpp

A lightweight C++ wrapper around libcurl for making HTTP/REST requests with both simple and advanced configuration options.

hashcat-utilshashcat/hashcat-utils

A collection of small, chainable command-line utilities for advanced password cracking operations.

HighwayHashgoogle/highwayhash

Fast, strong hash functions including SipHash and HighwayHash, offering high-speed SIMD implementations with security claims.

TLSFmattconte/tlsf

A high-performance, deterministic memory allocator with O(1) operations and low fragmentation for embedded and real-time systems.

Greenworksgreenheartgames/greenworks

A Node.js addon that enables Steamworks integration for HTML5 games and apps built with NW.js or Electron.

Handmade MathHandmadeMath/Handmade-Math

A single-file public domain math library for game and graphics programming with C/C++ support.

Lumosjmorton06/Lumos

A cross-platform C++ game engine for 2D and 3D development with Vulkan rendering and Lua scripting.

toy enginehugoam/toy

A thin, modular C++ game engine designed for building games directly from C++ with full control and fast iteration.

microprofilejonasmr/microprofile

An embeddable, lightweight profiler for C++ applications with CPU/GPU timing, live web view, and dynamic instrumentation.

PiFmRdsChristopheJacquet/PiFmRds

FM-RDS transmitter using the Raspberry Pi's PWM to generate FM modulation with real-time RDS data.

Horde3Dhorde3d/Horde3D

A lightweight, cross-platform 3D rendering and animation engine with a clean C++ architecture and C-style API.

EmbedIOunosquare/embedio

A tiny, cross-platform, module-based web server for .NET, enabling lightweight web applications and REST APIs.

Sming FrameworkSmingHub/Sming

An asynchronous embedded C++ framework for ESP8266, ESP32, and Raspberry Pi Pico with powerful networking features.

openblackopenblack/openblack

An open-source reimplementation of Black & White (2001) in modern C++ with support for OpenGL and Vulkan.

ModdableModdable-OpenSource/moddable

An SDK for building IoT applications on microcontrollers using modern JavaScript with networking, graphics, and hardware APIs.

pgcopydbdimitri/pgcopydb

A tool to copy PostgreSQL databases between servers with parallel data streaming and concurrent index building, bypassing intermediate files.

smarter_csvtilo/smarter_csv

A high-performance CSV ingestion and generation library for Ruby with C acceleration, designed for real-world data with intelligent defaults.

p0wnedShellCn33liz/p0wnedShell

A PowerShell runspace post-exploitation toolkit written in C# that bypasses security mitigations and includes offensive modules.

heatshrinkatomicobject/heatshrink

A data compression library for embedded and real-time systems with minimal memory usage.

Dripninjudd/drip

A fast JVM launcher that reduces startup times by keeping pre-initialized JVMs in reserve, then discarding them after use.