Open-source alternatives to Copy V86

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

virt-manager is a graphical management interface for configuring hypervisors, virtual machine instances, and containers via the libvirt API. It provides a desktop environment for managing KVM-based virtualization on Linux hosts, acting as a centralized controller for both local and remote hypervisors. The project distinguishes itself through integrated management of the surrounding virtualization infrastructure. It includes dedicated interfaces for virtual network administration to connect guests to physical hardware and virtual storage management for organizing disk volumes into logical pool

dae is a high-performance Linux network tool that functions as an eBPF transparent proxy. It intercepts and redirects packets at the kernel level to route internet traffic based on domains, IP addresses, and process names. The project distinguishes itself by modifying TLS handshakes to simulate browser signatures, which prevents server-side detection of proxy traffic. It also implements a full-cone network address translation gateway to maintain stable bidirectional connections and utilizes a latency-based node selector to automatically route traffic through the fastest available proxy nodes.

Netshoot is a Docker network troubleshooting toolkit and container image bundled with specialized utilities for DNS resolution, performance benchmarking, and TCP/IP packet inspection. It serves as a portable set of tools designed for diagnosing connectivity and routing issues within Docker and Kubernetes environments. The project is distributed as a tool-aggregated container image that can be deployed as a debugging sidecar or an ephemeral runtime. It supports namespace-joined execution, allowing the toolkit to attach to the network namespace of another process to inspect traffic and diagnose

Visualboyadvance-m is a cross-platform hardware simulator and Game Boy Advance emulator. It replicates handheld console hardware to run Game Boy Advance and Game Boy Color software on modern desktop computers. The project also serves as a handheld console debugger for analyzing emulated code and validating homebrew software. The system is designed as a modular Libretro emulation core, allowing it to be loaded as a pluggable component into compatible frontend applications. This decoupled architecture separates the emulation logic from the user interface to ensure the engine can run across diff

This project is a service mesh platform designed to manage, secure, and observe service-to-service communication within Kubernetes clusters. It functions as a control plane that orchestrates transparent sidecar proxies, which intercept and manage network traffic to provide reliable connectivity for microservices. By automating the injection of these proxies, the platform ensures that infrastructure-level policies are applied consistently across all workloads without requiring manual configuration changes. The platform distinguishes itself through its focus on zero-trust security and cross-clu

This project provides a containerized DNS sinkhole and network-wide traffic filtering solution. It functions as a central network resolver that intercepts domain queries, allowing users to block advertisements, trackers, and malicious domains by returning null responses to connected devices. The platform distinguishes itself through its integrated DHCP server and comprehensive management capabilities, which allow for automated IP address allocation and granular control over network traffic. It supports complex filtering through regular expression matching, hierarchical rule prioritization, an

n2n is a peer-to-peer VPN that creates an encrypted mesh network by establishing layer 2 overlay networks. It uses UDP tunneling to connect remote computers into a shared virtual local area network, allowing devices to communicate as if they were on the same physical Ethernet switch. The system utilizes a centralized signaling registry and federated coordination nodes to facilitate peer discovery and node registration. It implements NAT traversal through UDP hole punching and UPnP port mapping, while using supernode relay routing to ensure connectivity when symmetric NATs prevent direct peer-

FEX is an emulator that executes 32-bit and 64-bit x86 binaries on ARM64 hardware. It functions as a binary translation framework that converts guest machine code into host instructions using a JIT compilation engine and a persistent code cache. The project features a Vulkan graphics wrapper that translates OpenGL and Vulkan API calls to native host drivers, enabling cross-architecture graphics rendering. It includes a dedicated root filesystem manager for downloading, mounting, and switching between compressed filesystem images required for guest application environments. The system provide

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

Box86 is a Linux userspace emulator and instruction translator designed to run x86 binaries on ARM-based devices. It functions as a hardware compatibility layer that simulates an x86 environment, allowing software built for different processor architectures to execute on ARM Linux. The project utilizes a dynamic recompiler to translate x86 opcodes into native ARM instructions at runtime, increasing execution speed over standard interpretation. To further improve performance and stability, it wraps native system libraries and Vulkan drivers, redirecting architecture-specific calls to native ho

This project is a suite of basic command line utilities rewritten in Rust, providing a cross-platform implementation of POSIX shell utilities. It serves as a portable CLI toolset designed to run across different operating systems and architectures. The implementation includes a WebAssembly shell environment, which allows these essential command line tools to be executed directly within a web browser without requiring a local installation. The toolset covers a broad range of system capabilities, including filesystem operations, text processing and stream editing, and system administration too

Anypixel is a web-to-hardware display framework and toolkit for building large-scale physical interactive screens and button walls. It provides a system for mapping HTML canvas graphics to physical LED arrays, combining a networked pixel controller with a management tool that translates web application data into electronic signals for microcontroller-driven display boards. The project features a browser-based hardware simulation environment that allows for testing interactive display logic, button events, and network communication without requiring physical components. This emulator enables t

This repository contains the complete source code for a Unix-like operating system, including the monolithic kernel and base system utilities. It provides a BSD-derived system core and a full build toolchain required to compile a functional operating system for servers, desktops, or embedded devices. The system features a Linux binary compatibility layer that enables the execution and emulation of Linux binaries on a non-Linux platform. It also includes a modular kernel configuration process to tailor hardware support and system features during compilation. The project covers broad system ca

ExHyperV is a suite of administrative tools designed for managing advanced Hyper-V configurations, specifically focusing on GPU partitioning, device passthrough, and virtual network switches. It provides a graphical interface to configure virtual machine resources and optimize hypervisor settings. The project is distinguished by its ability to share physical graphics card resources across multiple virtual machines using paravirtualization and partitioning. It also provides specialized utilities for assigning PCIe devices and USB peripherals directly to guest machines for exclusive access. Th

xv6 is a Unix-like educational operating system designed for teaching kernel concepts. It is implemented as an instructional kernel for x86 and RISC-V architectures, featuring a virtual memory manager and support for symmetric multiprocessing. The system is designed to demonstrate core OS principles through a simplified re-implementation of Unix Version 6. It provides a controlled environment for studying system calls, trap handling, and process lifecycles. Its capability surface covers process management, including scheduling and context switching, and memory management via page tables for

Disko is a declarative configuration system for managing Linux disk partitioning, filesystem formatting, and LUKS encryption setup. It functions as a disk provisioner that allows users to define disk layouts and mount points through configuration files rather than manual commands. The project focuses on providing reproducible system installations by defining storage provisioning as code. It specifically automates the creation of partition tables, the setup of encrypted storage containers, and the configuration of filesystem layouts for NixOS systems. The toolset includes a command-line inter

archinstall is a guided installer for the Arch Linux operating system. It provides a mechanism to automate the partitioning, package selection, and configuration of a system through an interactive menu interface or pre-defined configuration profiles. The tool supports both manual and automated deployment. It can function as an interactive installation guide or as an automated deployment utility that loads settings and credentials from external files to perform installations without manual intervention. The project includes capabilities for disk partition management to support single or dual

Reinstall is an automated operating system deployer and bare metal provisioning tool designed for virtual private servers and remote hardware. It functions as a remote disk imaging utility and OS management tool, enabling the deployment and reinstallation of Linux and Windows operating systems without requiring physical access to the machine. The project distinguishes itself by automating complex installation hurdles, such as bypassing hardware requirements for RAM, TPM, and SecureBoot. It manages critical low-level tasks including hardware-aware driver injection, raw disk image deployment wi

ntfstool is a collection of system utilities and drivers designed to manage NTFS-formatted volumes on macOS. It provides a file system driver and management tools that enable full read and write permissions for NTFS-formatted disks. The project includes a disk image manager that monitors storage use and automates the removal of unused image disk files. It also features a disk capacity monitor to track total and available storage space across all connected read-write volumes. The utility surface covers NTFS read-write mounting, storage administration, and the management of external storage de

This project is a digital library and archive of vintage Chinese language DOS games. It provides a curated collection of historical software preserved for access through a web-based emulation platform and a searchable game catalog. The system utilizes a decentralized repository to host and share game data files across a peer-to-peer network. This ensures assets are retrieved using content-addressable hashes rather than relying on central servers. Users can execute games directly in a web browser via a DOS emulation engine or use provided scripts to download and configure game archives for lo

Surge is a network traffic routing and configuration system designed to categorize and steer network requests using curated rule sets, domain lists, and IP databases. It provides the data structures and filtering logic necessary to manage how application traffic is directed across proxies, direct connections, or regional gateways. The project distinguishes itself through granular traffic identification and steering. It identifies network requests by matching them against system process names, user-agent strings, and geographic IP ranges to apply specific routing policies. This allows for the

This repository provides configuration sets for the Quantumult X network proxy client. It consists of routing rules, policy groups, and script rewrites designed to manage network connectivity and automation. The project features a network traffic router that uses rules and regular expressions to direct traffic toward specific proxy servers based on destination. It includes an HTTP request rewriter to modify network requests and responses to customize application behavior or bypass restrictions. The configuration covers automated task scripts for the maintenance of external web services, regi

Karing is a multi-protocol proxy client and network traffic router designed to manage and direct internet traffic through various proxy protocols. It functions as a proxy subscription manager that imports and converts server lists from multiple external formats and providers into a unified configuration. The project features a cross-device synchronization system that keeps network routing settings and server lists consistent across multiple devices via cloud or local sharing. It includes a latency-based server selector that measures real-time response times to automatically connect to the fas

This project provides a collection of structured, binary-encoded routing datasets designed for proxy software to automate network traffic management. By mapping domain names and IP addresses to specific functional categories, it enables proxy clients to make granular, policy-based connection decisions. The repository serves as a centralized source for routing metadata, ensuring that traffic steering logic remains consistent across various networking implementations. The project distinguishes itself through an automated aggregation pipeline that processes community-maintained datasets into a u

Proxychains is a SOCKS proxy chain tool and TCP traffic redirector that forces outgoing network connections from applications into a specified sequence of proxy servers. It functions as a proxy sequence orchestrator, routing TCP network traffic through multiple SOCKS or HTTP proxies to anonymize network paths and bypass firewalls. The tool includes a remote DNS resolver that performs domain name resolution through a remote proxy to prevent DNS leaks and hide queries. This ensures that network traffic from applications that are not proxy-aware is redirected through the configured intermediarie

ShadowsocksR-Windows is a proxy client for Windows designed to route network traffic through ShadowsocksR proxy servers. It functions as a network proxy that establishes secure tunnels to bypass internet censorship and regional restrictions. The application manages system-wide network routing and provides SOCKS5 proxy client capabilities to hide origin IP addresses. It redirects local traffic through a remote server to maintain internet privacy and circumvent network-level blocks. The project incorporates traffic interception and encapsulation through a user-mode network wrapper and TAP-base