30 open-source projects similar to qemu/qemu, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
Lima is a virtualization engine designed to provision and manage lightweight Linux, macOS, and FreeBSD virtual machines. It functions as a comprehensive virtual machine manager that leverages native hypervisors and system emulation to provide isolated environments for container development, cross-architecture testing, and secure sandboxing. The project distinguishes itself through its template-driven provisioning system, which allows users to define and automate environment configurations via local files or remote URL schemes. It integrates deeply with host systems by providing automated file
UTM is a comprehensive virtualization suite that provides a unified interface for running guest operating systems on host hardware. It functions as a cross-platform system emulator and hypervisor, coordinating both hardware-accelerated virtualization and software-based instruction emulation to execute diverse operating systems. By leveraging native kernel-level virtualization frameworks, the software achieves near-native performance while maintaining strict security through sandboxed process isolation. The project distinguishes itself by enabling full-featured desktop operating systems to run
This project is a cross-platform emulator designed to execute software originally developed for the PlayStation 2 console on modern computing hardware. By replicating the original processor and graphics architecture, it allows users to run legacy game discs and digital backups within a virtual environment on contemporary desktop and laptop systems. The software distinguishes itself through advanced graphics enhancement engineering, which enables users to adjust rendering resolutions, apply texture filtering, and utilize community-created patches to improve visual fidelity beyond original hard
Open-smartwatch-os is an operating system designed for resource-constrained wearable devices. It provides a development and testing environment that allows developers to build, validate, and debug firmware for smartwatches within a simulated desktop environment before deploying to physical hardware. The project distinguishes itself through a comprehensive suite of tools for hardware emulation and remote diagnostics. By utilizing a hardware abstraction layer and modular driver architecture, it decouples core system logic from specific physical components. This enables developers to run the ope
Dolphin is a software environment that simulates GameCube and Wii console hardware, allowing users to execute game discs and digital software on modern computing platforms. It functions by translating original console processor instructions into native host machine code at runtime and intercepting low-level graphics commands to render them through modern graphics APIs. The project distinguishes itself through a comprehensive netplay engine that enables online multiplayer for local games by synchronizing game states and input timing across remote instances. This system enforces deterministic e
xhyve is a macOS virtual machine manager and virtualization tool that leverages the native hypervisor framework to run guest operating systems in userspace. It provides a virtualization layer for executing guest systems with hardware acceleration. The project features a hardware pass-through hypervisor that maps physical host devices directly to guest virtual machines to increase performance. It includes a remote framebuffer server and VNC access to enable interaction with the guest display and input devices from external devices. The tool covers virtual hardware emulation for storage, netwo
Docker-OSX is a containerized virtualization platform that enables the execution of full operating systems within isolated environments. By leveraging hardware-accelerated hypervisors and machine emulation, the project allows guest operating systems to run with near-native performance, effectively mimicking dedicated physical hardware within a container. The platform distinguishes itself by providing a complete infrastructure for remote desktop and headless management, allowing users to interact with virtualized graphical environments over network protocols. It supports advanced hardware inte
macintosh.js is an Electron-based system emulator designed to run legacy operating systems and vintage software within a modern desktop application. It functions as a virtual machine that replicates the hardware and software environment of a Macintosh Quadra to execute System 8. The project includes a UDP network bridge and virtual Ethernet integration, which routes network traffic to specific ports to enable communication between multiple emulated instances on a local network. The emulator supports virtual disk management and disk-image mounting to transfer files between the host machine an
shadPS4 is a C++ game emulator and hardware virtualization tool designed to replicate the PlayStation 4 system environment and hardware to run console software on a computer. It functions as a cross-platform application compatible with Windows, Linux, macOS, and FreeBSD. The project serves as a graphics debugging tool capable of dumping shaders and integrating with rendering tools for performance analysis. It provides a system for recreating the console environment through the import of official firmware files, system fonts, and the use of decrypted keys for tracking game trophies. The emula
Box64 is a cross-architecture runtime and user-mode emulation layer that allows Linux and Windows software to run on non-native hardware. It functions as an x86-64 instruction emulator and binary translator, executing 64-bit binaries on different CPU architectures by translating machine code into native instructions. The project utilizes dynamic recompilation to accelerate execution and maps guest system calls to native host libraries to increase speed and hardware compatibility. It can simulate a 32-bit execution environment to support legacy software and integrates with the operating system
This project is a freestanding kernel written in Rust that boots on x86 hardware without a standard library. It serves as a low-level system implementation focusing on the creation of a bare metal operating system. The system implements a bootable disk image toolchain that transforms source code into binaries compatible with a bootloader. It features a custom memory allocator for dynamic memory management and an x86 kernel implementation that includes paging, interrupt handling, and VGA text mode. The project covers several core capability areas, including low-level memory management through
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 framework and toolkit designed for developing and testing operating system kernels. It provides a structured environment for implementing fundamental system primitives, including virtual memory management, preemptive process scheduling, and filesystem organization, using Rust and C. The framework is specifically oriented toward RISC-V and x86 architectures, serving as a laboratory for learning how to build core system software from the ground up. The project distinguishes itself by supporting both bare-metal deployment and hardware emulation, allowing developers
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
Winlator is an Android-based compatibility tool designed to execute x86 and x86_64 Windows applications on mobile hardware. It functions as a translation environment that bridges the gap between desktop software and ARM-based processors, enabling the execution of programs that lack native mobile versions. The project distinguishes itself by integrating a cross-platform instruction translator with a compatibility layer to manage system calls and machine code. It utilizes user-space containerization to isolate the Windows environment, allowing for the management of dependencies and system resou
Multipass is a virtual machine lifecycle controller and manager designed to create and orchestrate lightweight Ubuntu instances on a local workstation. It functions as a cross-platform hypervisor wrapper that provides a local cloud development environment for simulating cloud deployments. The system utilizes a hypervisor-abstraction layer and driver-based backend resolution to manage virtual machines across different host operating systems using native virtualization backends. It enables the simulation of cloud instance behavior through the injection of cloud-init metadata and initialization
Native macOS Wayland Compositor written in Rust using Smithay. Experience seamless Linux app streaming on macOS without XQuartz.
Rancher Desktop is a cross-platform desktop application for Windows and macOS that provides a graphical interface for managing local containers and Kubernetes clusters. It serves as a local development environment for running and coordinating containerized workloads on a personal workstation. The project features a pluggable container engine, allowing users to switch between different runtimes such as containerd or Docker within a single interface. It automates the provisioning of local Kubernetes distributions to facilitate the development and testing of orchestration environments. The appl
This project is a comprehensive, community-driven directory that serves as a centralized discovery hub for the container ecosystem. It functions as a structured knowledge base, aggregating a wide array of software tools, educational materials, and technical resources designed to assist developers and operators in mastering containerization technologies. The repository distinguishes itself through a meticulously organized taxonomy that maps the entire container lifecycle, from initial development and image building to orchestration, security, and infrastructure operations. By curating disparat
Docker-compatible container CLI built on Apple's Containerization framework. Same commands, same flags — mocker run, ps, stop, build, compose, stats — all working on macOS 26.
This project is a curated educational guide and instructional resource for the Node.js runtime environment. It serves as a comprehensive introduction to core concepts, including asynchronous programming tutorials, network application primers, and guides on the module system and stream API. The material focuses on the fundamental building blocks of server-side development, specifically how to create reusable code packages and manage project dependencies via a module manifest. It provides detailed instruction on building programs that communicate over HTTP and TCP protocols to exchange data acr
This project provides a framework for managing multi-agent systems, designed to automate complex software development, infrastructure, and business workflows. It functions as a multi-agent workflow orchestrator that routes tasks to domain-specific workers while maintaining state persistence and infrastructure automation. By leveraging large language models, the system decomposes high-level objectives into actionable plans, ensuring that complex operations are executed with consistency and reliability. The framework distinguishes itself through its hierarchical agent registry and policy-driven
This project provides a Linux kernel development environment and a system emulation suite for building and debugging kernel modules and baremetal assembly across multiple hardware architectures. It functions as a comprehensive sandbox and framework for low-level system development, utilizing QEMU to simulate hardware environments without the need for physical devices. The environment integrates cross-compilation toolchains using Buildroot and crosstool-NG to target x86_64, ARMv7, and ARMv8 platforms from a single host. It features a specialized kernel debugging framework that leverages GDB an
This project provides a specialized UEFI boot environment and hardware emulation layer designed to run proprietary network-attached storage operating systems on generic x86 and x64 hardware. It functions as a bootloader and recovery environment that enables these systems to initialize on devices not originally manufactured by the vendor. The system employs a hardware emulation layer that mimics specific vendor IDs and boot parameters to ensure operating system compatibility. It includes a virtual machine image generator to create bootable images in multiple formats for deployment within virtu
xv6-riscv is a simplified Unix-like teaching operating system designed for the study of kernel design and hardware interaction. It provides a low-level RISC-V kernel implementation that serves as a bootable system image for execution and debugging within a virtual machine or emulator. The project focuses on educational instruction regarding the RISC-V architecture. It enables the study of operating system concepts through a minimal kernel that implements process management and memory handling. The system covers core kernel operations including multiprocessor resource management and the imple
Snes9x is a cross-platform emulator designed to replicate the Super Nintendo Entertainment System hardware. It functions as a gaming tool that allows users to load and play Super Nintendo software on modern hardware and operating systems. The software provides a portable emulation layer across various hardware architectures to ensure consistent performance. It supports the execution of game ROMs while providing utilities for input mapping and save states. The system implements hardware emulation through cycle-accurate CPU emulation, dynamic recompilation, and scanline-based video rendering.
Play- is a multi-system game emulator and virtual hardware emulator that simulates various console and arcade hardware to run original game files on modern devices. It functions as a retro game frontend, providing a graphical interface for organizing, launching, and managing libraries of legacy console and arcade titles. The project includes a hardware input mapper that translates modern controllers and mouse movements to simulate specialized legacy input devices, such as light guns and steering wheels. It also features a game state manager capable of capturing and restoring the exact memory
touchHLE is a high-level emulator designed to run legacy iPhone OS applications and games on modern desktop and mobile operating systems. It functions by simulating the original hardware environment and operating system API calls rather than emulating underlying CPU instructions. The project focuses on the preservation of early third-party mobile software through legacy archiving. It distinguishes itself by translating modern mouse, keyboard, and controller inputs into simulated touch gestures and accelerometer data, and by connecting multiple emulator instances over a local network to enable
This project provides an educational framework and laboratory environment for learning operating system kernel development specifically for the RISC-V architecture. It serves as a structured course that guides users through the process of building a functional kernel from scratch, offering the necessary resources to understand low-level system programming and architecture-specific software implementation. The toolkit distinguishes itself by integrating a complete development environment that bridges the gap between source code and hardware execution. It includes automated build scripts for cr
Distrobox is a command-line utility that enables the execution of any Linux distribution within an OCI-compliant container. It functions as an integration layer between isolated containerized environments and the host operating system, allowing users to run different distributions simultaneously on a single host without system conflicts. The tool distinguishes itself by bridging the gap between isolated environments and the host system through deep resource sharing. It automatically mounts host hardware, home directories, and graphical interfaces into the container, while also synchronizing e