Open-source alternatives to Macfuse

VFSForGit is a virtualization layer and enterprise scaling solution for Git. It enables the management of massive codebases by downloading repository objects on demand, allowing users to interact with extreme-scale repositories without requiring a full local clone. The project optimizes performance by limiting the scope of Git commands to files currently accessed by the user. It utilizes a virtual file system projection to present a complete directory tree while keeping file data remote until it is specifically requested. The system employs virtualization techniques including deferred conten

LiteFS is a FUSE-based distributed file system designed to replicate SQLite databases across a cluster of machines. It functions as a high availability layer that synchronizes data by intercepting write operations to ensure consistency across multiple server nodes. The system manages distributed database storage by mapping file operations to network requests via a user-space driver. This allows for multi-region data synchronization and the distribution of database content to edge nodes, facilitating local reads with synchronized global writes. The replication process utilizes write-ahead log

SSHFS-Win is a Windows implementation of SSHFS that mounts remote directories over SSH as local Windows drives, enabling seamless file access as if they were local network drives. It provides both command-line and graphical interfaces for creating, managing, and disconnecting SSHFS mounts, supporting password or SSH key authentication with optional credential storage in the Windows Credential Manager. The project extends beyond basic SSH mounting to support a wide range of remote file access scenarios, including mounting cloud storage services like Azure Blob or Amazon S3, distributed POSIX f

Dokan is a user-mode file system library for Windows that allows applications to create custom file systems accessible as normal Windows volumes without writing kernel-mode device drivers. It provides a FUSE compatibility layer that maps FUSE operations to Dokan callbacks, enabling existing FUSE-based file systems to run natively on Windows by rebuilding the source code with Cygwin or MinGW. The library exposes its file system API through language-specific wrappers for C, .NET, Java, Delphi, Ruby, and Python, supporting cross-language file system development. It handles file operations throug

NuttX is a POSIX-compliant real-time operating system designed for microcontrollers ranging from 8-bit to 64-bit architectures. It provides a deterministic execution environment with a real-time task scheduler and a POSIX embedded kernel to ensure portable code execution across diverse hardware targets. The project distinguishes itself through a comprehensive hardware abstraction layer that provides standardized drivers for I2C, SPI, CAN, and USB across various semiconductor chipsets. It also features an embedded networking stack supporting TCP, UDP, IPv4, and IPv6, alongside industrial proto

Phoenix is a comprehensive web development suite that provides a browser-based code editor, an AI-powered coding assistant, and a live web previewer. It integrates a visual Markdown document editor and a web-based Git client, allowing users to write and manage HTML, CSS, and JavaScript across different devices and platforms. The environment features a visual UI design system that maps canvas manipulations directly to code and enables in-place CSS editing. It supports real-time change previews and responsive layout testing across multiple device breakpoints to verify rendering on phones, table

NFS-Ganesha is a user-mode file server that provides network access to storage resources using the NFSv3, v4, and v4.1 protocols. By operating entirely in user space, it functions as a storage gateway that enables remote file sharing across Linux and Unix systems while avoiding the complexities and stability risks associated with kernel-level file system development. The project distinguishes itself through a modular file system abstraction that allows it to translate network requests into operations for diverse back-end storage systems. It maintains stateful protocol handling to support adva

Goofys is a POSIX-compliant cloud object storage gateway that presents remote storage buckets as local system directories. It implements a user-space filesystem that maps S3-compliant and Azure Blob storage services to local mount points, allowing remote objects to be accessed through standard file system operations. The project provides specific mounting capabilities for Amazon S3, Azure Blob Storage, and Azure Data Lake accounts. It utilizes a FUSE-based implementation to interface cloud object storage with the operating system kernel. The system includes performance optimizations such as

CS-Xmind-Note is a collection of structured mind maps and conceptual diagrams serving as a comprehensive knowledge base for computer science fundamentals. It functions as an academic reference and study guide, organizing core subjects into a visual mapping of interdependent technical concepts. The project utilizes an XMind-compatible schema to model complex domains through hierarchical nodes and relational concept mapping. This approach allows for the visual representation of technical layers, linking hardware specifications to software abstractions. The knowledge base covers several primary

This project is a Go library and runtime for loading and managing eBPF programs and maps. It provides a bytecode loader and kernel interface to inject instructions into kernel hooks for system-level execution and observability across both Linux and Windows operating systems. The library features a relocation engine and tooling to ensure program compatibility across different kernel versions and distributions. It supports portable deployment by embedding compiled objects for multiple CPU architectures into a single binary and provides the ability to load signed system drivers on Windows. The

ggez is a 2D game framework for the Rust programming language. It provides a hardware abstraction layer for accessing keyboard, mouse, sound, and graphics hardware, alongside a dedicated game loop manager that synchronizes input processing, state updates, and frame rendering for real-time applications. The framework includes a hardware-accelerated rendering engine for drawing sprites, shapes, and text using shader programs. It also features a resource management system that uses a filesystem abstraction to load and manage game assets from physical directories or compressed archives. Addition

Hackintool is a hardware configuration tool designed to make non-native computer hardware compatible with macOS. It functions as a suite of utilities for spoofing device identifiers and patching system components to ensure the operating system recognizes unsupported hardware. The project provides specialized tools for graphics, audio, and USB configurations. This includes a framebuffer patcher for resolving display issues on unsupported GPUs, an audio layout configurator for enabling sound via device ID spoofing, and a USB port mapping tool that identifies connected devices to generate custom

AliOS-Things is a scalable operating system for internet-connected devices. It provides an embedded firmware framework and runtime for managing hardware peripherals, network connectivity, and secure data execution across diverse CPU architectures. The system includes an edge AI inference engine for processing audio and image patterns locally without cloud dependencies. It also features a cloud connectivity SDK for automated onboarding, remote diagnostics, and log reporting, alongside a scripting engine for executing high-level code on resource-constrained hardware. Connectivity is handled th

XNU is a hybrid operating system kernel that combines a microkernel architecture with a monolithic layer for system services. It provides a foundation for operating system development, incorporating standardized system-call interfaces, a modular device driver framework, and mandatory access control security. The architecture features a Mach-based microkernel and a BSD-based monolithic layer. It utilizes a message-passing inter-process communication bus for secure data exchange between isolated kernel components and user-space processes, alongside an object-oriented driver framework that decou

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

SSHFS is a network filesystem client that maps remote server directories to local mount points. It functions as a userspace implementation of a filesystem, allowing users to access and manage remote files as if they were on a local disk using the SFTP protocol over SSH. The tool distinguishes itself by offering multiple transport options, including encrypted SSH tunnels for security and direct TCP socket connections to bypass encryption for higher throughput. It also supports connectivity via virtual sockets to access directories hosted inside virtual machines. The system includes capabiliti

Luma3DS is a custom firmware for the Nintendo 3DS that removes factory restrictions to enable the execution of unsigned homebrew and game modifications. It functions as a kernel-level system extension that hooks system calls to bypass hardware limitations and introduce new operating system capabilities. The project serves as a homebrew payload loader, using boot-time mechanisms to launch third-party software and custom firmware versions. It also provides a game modding framework capable of patching executable code and intercepting file requests to load custom assets and modified data. The en

This project is a comprehensive technical manual for installing macOS on non-Apple x86 hardware using the OpenCore bootloader. It serves as a configuration guide for emulating Apple hardware and patching system firmware to achieve operating system compatibility on PCs. The documentation provides detailed instructions for SMBIOS hardware emulation, including the generation of system identifiers and model profiles. It covers the application of ACPI table patches to enable native power management and the modification of UEFI runtime services to resolve memory map and write protection issues. Th

usbipd-win is a USB device sharing tool and network device driver that binds physical USB hardware to a network protocol. It serves as a management interface for sharing and attaching USB devices via network protocols, specifically providing a utility to map shared hardware directly into Windows Subsystem for Linux instances. The project implements USB over IP networking to share locally connected devices over a network for discovery by remote client machines. It enables virtual machine USB passthrough, allowing guest operating systems to interact with physical hardware directly. The softwar

Kernel-Bridge is a C++ framework designed for Windows kernel-mode development, providing a comprehensive toolkit for building drivers, hypervisors, and system-level monitoring tools. It serves as a foundational environment for managing low-level operating system interactions, including memory management, process control, and cross-layer communication. The project distinguishes itself by offering specialized primitives for hypervisor construction and hardware-assisted memory isolation. It facilitates advanced system manipulation through techniques such as direct kernel object modification, asy

ViGEmBus is a Windows kernel-mode driver and USB HID emulation framework that creates virtual gaming peripherals. It functions as a virtual gamepad driver that the operating system recognizes as physical hardware devices at the kernel level. The project enables kernel-level hardware mimicry to bypass game-specific device requirements and supports remote input redirection, allowing controller data to be sent over a network to a remote machine. The system covers a range of capabilities including USB game controller emulation and game input automation, which allows for the recording and playbac

sql.js-httpvfs is a virtual file system and loader designed to execute SQL queries against read-only SQLite databases hosted on remote static file servers. It enables the retrieval of database files over HTTP without requiring the entire file to be downloaded to the client. The project distinguishes itself by using byte-range HTTP fetching to simulate local random-access reads. It includes a chunking tool that splits large databases into smaller pieces via a JSON configuration, which helps bypass file size limits and optimizes caching. The system covers a range of capabilities including remo

Mayastor is a software-defined, cloud-native block storage solution designed to provide high-performance, persistent storage for stateful applications within container orchestration environments. It functions as a distributed storage control plane that decouples application data from physical hardware, enabling dynamic provisioning and management of block volumes across clustered nodes. The platform distinguishes itself by utilizing a user-space storage driver architecture that bypasses kernel overhead to maximize hardware performance. It leverages the NVMe-over-Fabrics protocol to deliver lo

This project provides a framework for binding Rust and Python, enabling the creation of native extension modules and the embedding of the Python interpreter within host applications. It functions as a cross-language interoperability library that facilitates the execution of scripts, the definition of classes, and the sharing of data structures across the boundary of the two runtimes. The framework distinguishes itself through the use of procedural macros to automate the generation of boilerplate code, simplifying the process of exposing native functions and data types. It employs type-level m

Neon is a framework for writing high-performance native Node.js modules using the Rust programming language. It serves as a foreign function interface bridge and a toolchain for bootstrapping, compiling, and managing Rust-based extensions. The project provides a cross-language memory manager that handles buffers and object borrowing to ensure safe memory access between Rust and JavaScript. It enables the mapping of data types and function calls across the language boundary, allowing Rust functions to be exported to the script environment and JavaScript functions to be called from Rust. The f

node-ffi is a foreign function interface library for Node.js that enables calling functions from native C dynamic libraries without writing manual C++ bindings. It serves as a system for loading shared objects and DLLs into process memory, translating JavaScript values into binary representations, and executing external binaries at runtime. The project utilizes a wrapper around the libffi library to construct call frames and execute native functions with dynamic arguments. It distinguishes itself by providing a native memory manager for allocating raw pointers and a mapping system that connec

WCDB is a cross-platform storage layer and embedded database engine that serves as a framework for SQLite. It functions as an object relational mapper, linking application classes to database tables to enable data operations via objects rather than raw queries. The project is distinguished by an integrated encryption layer for securing data at rest and a full-text search engine that uses language-specific tokenizers for text lookups. It also features transparent field compression to reduce storage footprints and a connection-pooling model to coordinate simultaneous read and write operations a