Awesome GitHub RepositoriesOperating System Kernels

El kernel de Linux es un núcleo de sistema operativo monolítico que gestiona recursos de hardware, memoria y programación de procesos a través de diversas arquitecturas informáticas. Proporciona un entorno estandarizado y compatible con POSIX para la ejecución de aplicaciones, manteniendo al mismo tiempo un framework de controladores modular que permite la carga y eliminación dinámica de interfaces de hardware. El proyecto se distingue por su kit de herramientas de concurrencia de alto rendimiento, que utiliza primitivas de sincronización sin bloqueo y mecanismos de lectura-copia-actualización para gestionar el acceso a datos compartidos en entornos multinúcleo. Incorpora una suite completa de rastreo e instrumentación del kernel que permite el monitoreo no intrusivo de eventos del sistema, ejecución de funciones y métricas de latencia. Además, el kernel aplica garantías estrictas de estabilidad de interfaz y seguimiento del ciclo de vida para garantizar la compatibilidad con versiones anteriores para aplicaciones dependientes. Más allá de su identidad central, el sistema incluye amplias capacidades para la abstracción de hardware, implementación de protocolos de red y aplicación de políticas de seguridad. Admite requisitos de ingeniería especializados a través de la gestión del estado de energía, optimizaciones de sistemas integrados y procesos de arranque basados en firmware. La arquitectura también cuenta con marcos de diagnóstico robustos para el análisis de memoria, verificación de ejecución del sistema y validación de modelos de programación concurrente. El repositorio de origen proporciona un sistema de compilación completo para transformar código en imágenes binarias ejecutables, incluyendo herramientas para la selección de características del kernel y optimización de configuración para adaptar la salida a requisitos de hardware específicos.

This project is an educational repository and collection of algorithms implemented in C++. It provides a structured set of code examples covering mathematics, computer science, and physics for reference and learning. The collection includes implementations of data structures for managing hierarchical and linear data, such as binary search trees and AVL trees. It also features simulations of computer science concepts, including CPU scheduling and the resolution of combinatorial puzzles. The repository further covers cryptographic examples through the implementation of classic encryption and e

SerenityOS is a complete, self-hosted desktop operating system built from the kernel up. It features a monolithic kernel architecture that manages system services, hardware drivers, and networking within a single address space. The system provides a full computing environment, including a proprietary windowing system and a suite of native desktop applications, all while maintaining a POSIX-compliant interface for standard system programming. The project is distinguished by its integrated development workflow, which relies on a cross-compilation build pipeline to generate system images from ho

This project is a technical reference and educational guide focused on the internal architecture of the Linux kernel. It serves as a low-level systems programming resource and documentation for operating system internals, detailing the implementation of core mechanisms within the kernel source code. The materials provide a detailed study of the Linux kernel, tracing behavior through actual C source and assembly. It specifically covers the progression from the bootloader and decompression to the final kernel entry point, alongside the management of hardware interrupts and symmetric multiproces

你管这破玩意叫操作系统源码 — 像小说一样品读 Linux 0.11 核心代码

Wasmer is a high-performance runtime engine designed to execute sandboxed WebAssembly modules across server-side, edge, and browser environments. It functions as a comprehensive platform for building, distributing, and running isolated applications, providing a secure and portable execution layer that maintains consistency across diverse hardware architectures and operating systems. The platform distinguishes itself through a robust toolchain that enables cross-language interoperability and the transformation of code into portable binary packages. It supports ahead-of-time binary generation t

Beszel is a self-hosted server monitoring platform designed to track real-time performance metrics across multiple host systems and containerized environments. It functions as a centralized dashboard that aggregates data on processor, memory, disk, and network usage, providing visibility into both host-level infrastructure and individual container workloads. The system utilizes lightweight agents to collect performance data, which is then streamed to a central hub and stored in a local relational database. It distinguishes itself through a real-time analytics engine that uses persistent bidir

Tiny11builder is an automation utility designed to create customized, bootable Windows installation media. It functions by modifying offline installation images to remove pre-installed applications and non-essential system components, resulting in a reduced storage footprint and a more resource-efficient operating system deployment. The tool operates by mounting Windows installation images to a temporary directory, where it performs manifest-based package stripping and registry hive injections. These automated processes allow for the removal of specific system components and the disabling of

Sandboxie is an operating system-level virtualization tool designed to run Windows applications in isolated, secure environments. By intercepting system calls and redirecting file system and registry modifications to a separate, discardable storage area, it prevents untrusted software from making permanent changes to the host system. This containment ensures that browser history, temporary files, and potential malware remain trapped within the sandbox, protecting the integrity and privacy of the underlying host. The software distinguishes itself through granular control over the isolation env

Keploy is an automated testing platform that leverages kernel-level traffic interception to generate and maintain regression test suites for microservices. By capturing live network traffic and system calls via eBPF, the platform automatically creates deterministic test cases and mocks external dependencies without requiring manual code instrumentation. This approach allows developers to validate application behavior and API contracts by replaying production-like traffic in isolated environments. The platform distinguishes itself through its use of machine learning to perform test maintenance

WebVM is a browser-based virtualization platform that executes a full Linux operating system directly within a web browser. By leveraging WebAssembly and client-side virtualization, it simulates hardware to run native applications and development toolchains without requiring server-side infrastructure or remote desktop configurations. The platform distinguishes itself by providing a portable computing workspace that operates entirely on the client side. It includes capabilities for bridging virtual environments to private networks, allowing secure access to internal resources directly from th

Redox is a POSIX-compliant, microkernel-based operating system written entirely in Rust. By utilizing a memory-safe language for the kernel and all system components, the project eliminates common vulnerabilities such as buffer overflows and use-after-free errors. Its architecture relies on a minimal kernel that manages only essential hardware and process isolation, delegating all other system services to unprivileged user-space processes. The system distinguishes itself through a modular design where hardware drivers and system services run as independent user-space daemons, allowing them to

This project provides an open-source firmware platform and complete build environment for portable multi-tool hardware. It functions as an embedded operating system designed to manage radio, infrared, and physical interface components, enabling users to develop custom applications and system logic for specialized hardware devices. The firmware distinguishes itself through a modular architecture that organizes system functionality into isolated units, allowing for the development of custom user interfaces and logic. It includes a comprehensive collection of low-level drivers and applications s

System Informer is a diagnostic utility designed for the monitoring and management of Windows system components. It provides comprehensive visibility into process execution, system services, and hardware resource utilization, allowing users to track real-time performance metrics and analyze active system activity. The software distinguishes itself through deep integration with the operating system, utilizing kernel-mode driver interfacing to access low-level data and perform administrative actions. It features a plugin-based architecture that allows for the integration of external modules to

KernelSU is a kernel-based root management framework for Android that provides administrative access to applications by operating directly within the operating system kernel. By integrating management logic into the kernel source, it enables system-wide permission control through syscall interception and function patching. This approach allows for the enforcement of fine-grained mandatory access control, assigning custom security domains to root processes to restrict their capabilities and prevent unauthorized actions. The project distinguishes itself through a systemless modification archite

This project is a tutorial and framework for building a low-level, bare-metal operating system from scratch using the Rust language. It focuses on ARMv8 kernel development specifically for the Raspberry Pi 3, providing the resources necessary to implement a monolithic kernel that runs directly on hardware without an underlying operating system. The project distinguishes itself by providing a complete embedded cross-compilation suite within a containerized environment to ensure consistent builds. It includes a dedicated kernel deployer that uses a serial interface and chainloader to load and b

This project is an educational resource for developing bare-metal operating systems and kernels from scratch on Raspberry Pi hardware. It provides a structured guide to systems programming using the Rust language, focusing on the implementation of core kernel components that execute directly on ARM-based hardware without the support of an underlying operating system or standard library. The tutorials emphasize a modular architecture that separates hardware-independent kernel logic from processor-specific and board-specific configurations. By utilizing a hardware abstraction layer and distinct

This project is a comprehensive, curated directory of cybersecurity resources, software, and documentation designed to support system and network protection. It serves as a centralized knowledge base and index for security professionals, aggregating industry-standard practices and open-source tools across a wide range of technical domains. The repository distinguishes itself by providing a structured collection of methodologies and frameworks for security operations. It covers critical areas including threat intelligence, digital forensics, infrastructure auditing, and vulnerability assessmen

This project is a bare-metal operating system developed for ARM64 architecture. It serves as a low-level implementation of kernel engineering, focusing on the fundamental construction of an OS from the hardware level up. The system is distinguished by its comprehensive approach to ARM64 processor control, featuring a red-black tree task scheduler and a hierarchical page table system for virtual memory management. It implements a sophisticated privilege model that handles transitions between kernel and user modes, ensuring process isolation through address space splitting and exception level m

This project is an educational resource and technical reference for building operating systems from scratch. It provides a comprehensive guide to mastering x86 architecture and implementing core kernel components by writing code that executes directly on hardware without the support of standard libraries or operating system abstractions. The materials focus on low-level systems engineering, teaching users how to interpret technical datasheets to manage hardware resources. It covers the fundamental mechanics of bare-metal programming, including the use of assembly language to define execution