Open-source alternatives to Goofys

This project is a comprehensive sample library and implementation guide for ASP.NET Core. It provides a collection of practical examples and projects that demonstrate how to build web applications, RESTful APIs, and high-performance services. The repository focuses on a variety of architectural patterns, including the development of Minimal APIs, contract-first gRPC services, and real-time communication using WebSockets and Server-Sent Events. It includes detailed implementations for user identity and security, such as token-based authentication and CSRF protection. The codebase covers a bro

macfuse is a framework for implementing custom file systems in user space. It utilizes a macOS kernel extension to bridge the operating system kernel's virtual file system layer to a user-process daemon. This project allows the implementation of file system logic outside of the kernel to improve system stability and simplify development. It enables the mapping of remote data, network resources, or memory to a local folder so they can be accessed through standard system interfaces. The framework supports the development of cross-platform storage by providing a portable interface for consisten

mergerfs is a FUSE-based union filesystem that pools multiple independent filesystems or directories into a single unified mount point. It acts as a proxy to underlying storage, forwarding file operations directly to the filesystem for near-native performance while merging directory listings and attribute changes. The project provides a live, read-write pooled view of storage that aggregates drives of any size without requiring reformatting or data redistribution, and it isolates individual drive failures so that the pool continues serving data from remaining filesystems. The filesystem offer

aliyundrive-webdav is a server-side gateway that translates AliyunDrive cloud storage into a WebDAV interface. It functions as a self-hosted cloud file server that maps remote storage accounts to a local network drive, allowing users to manage files through standard network drive clients. The project distinguishes itself by routing data requests directly between the client and the cloud provider to enable direct media streaming without server-side proxying. It utilizes a terminal-based QR code authentication system to exchange scans for refresh tokens and maintains a secure cloud gateway usin

GlusterFS is a software-defined distributed file system and scale-out storage cluster that aggregates disk resources from multiple servers into a single global namespace. It functions as a unified storage platform, allowing the same underlying data to be exposed through file, block, and object storage interfaces. The system distinguishes itself through a decentralized architecture that uses consistent hashing to distribute files across network nodes without a central metadata server. It ensures data integrity and availability using self-healing replication, quorum-based consistency to prevent

Moltworker is an AI agent sandbox and model orchestrator designed for the secure execution of untrusted code and shell commands generated by large language models. It functions as a gateway proxy that routes requests to multiple AI providers through a unified interface, integrating a container runtime backed by S3-compatible object storage to persist state across ephemeral lifecycles. The system distinguishes itself by combining an AI model orchestrator with a headless browser controller for automated web scraping and screenshot capture. It manages the full lifecycle of AI agents, including m

google-drive-ocamlfuse is a FUSE-based filesystem that mounts a Google Drive account as a local directory, enabling standard file operations on cloud files. It bridges POSIX filesystem calls to the Google Drive API, allowing users to read, write, and manage files through their operating system's native file manager or command line. The project distinguishes itself through support for multiple simultaneous Google Drive accounts, each mounted as an independent local directory with separate authentication and cache state. It handles Google Docs, Sheets, and Slides by exporting them as read-only

SFTPGo is a multi-protocol file server and secure file transfer gateway that enables the exchange and storage of files via SFTP, FTP, HTTP, and WebDAV. It provides a unified management interface and a web-based file manager for configuring server settings, user permissions, and collaborating on documents. The project functions as a cloud storage gateway, bridging legacy file transfer protocols to modern backends such as S3, Google Cloud Storage, and Azure Blob. It features an automated data workflow engine that uses dynamic logic and virtual folders to route files and manage data lifecycles a

Gravitino is a federated metadata lake and unified data catalog designed to manage tables, files, and AI models across diverse data sources and cloud storage. It serves as a centralized interface for governing schemas, access controls, and tagging across relational databases, messaging queues, and object stores. The project distinguishes itself by unifying the management of AI assets, such as machine learning models and their version lineages, alongside traditional tabular data. It also implements the Iceberg REST specification to provide a standardized metadata server and proxy for lakehouse

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

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

WinFSP is a framework for implementing custom file systems on Windows. It enables the creation of user-mode file systems that appear as standard disk drives or network shares to the operating system, allowing developers to implement file system logic in user space via a proxy architecture that avoids the need for custom kernel code. A primary differentiator is its FUSE compatibility layer, which maps POSIX-based file system calls to native Windows requests. This allows existing file systems written for the FUSE API to be ported to Windows and Cygwin environments. The project covers a wide ra

mimic-code is a clinical data analysis framework and toolset for processing deidentified electronic health records and intensive care unit data. It provides a healthcare SQL query library and a processing tool to transform raw health records into formats suitable for longitudinal analysis and machine learning. The project features a medical research notebook environment that integrates with cloud-hosted datasets, allowing for remote querying and analysis. It includes a DICOM imaging pipeline to retrieve chest radiographs and link medical imaging with structured clinical metadata. The framewo

Metaflow is a Python machine learning framework and MLOps workflow orchestrator designed to manage the lifecycle of data pipelines from local prototyping to production. It serves as a distributed compute manager and an experiment tracking system, enabling the creation of reproducible pipelines that transition between development and high-availability production environments. The framework distinguishes itself through an integrated checkpointing system that automatically persists intermediate data artifacts to remote storage, allowing failed runs to be resumed from the last successful step. It

This project is a JavaScript-based HTTP download manager and accelerator designed to increase file transfer rates within a web browser. It functions as a multi-threaded download accelerator that retrieves remote resources by splitting files into smaller segments for simultaneous downloading. The tool utilizes HTTP range requests to fetch multiple file segments in parallel, maximizing available network bandwidth. It manages this process through a client-side blob buffer and memory management system that stores binary data before assembling the segments into the final file. The system covers c

Copyparty is a self-hosted file server that provides a browser-based interface for managing, browsing, uploading, and downloading files. It utilizes a virtual file system abstraction to map diverse storage backends and network-attached devices into a unified directory structure, allowing for consistent file access across various storage environments. The platform functions as a cloud synchronization gateway, enabling automated data backups and transfers between local storage and remote cloud providers through integration with standard command-line tools. It also serves as a distributed storag

This is a high-performance image component and native caching library for mobile applications. It provides tools for image optimization and asset preloading to reduce visual flicker and increase loading speeds. The project differentiates itself through a mobile asset preloader that downloads remote images into a local cache before they are requested. It also includes a system for assigning loading priority levels to ensure critical visual assets are fetched first and supports remote asset authentication by attaching custom HTTP headers to requests. The library covers a broad range of capabil

GoTrue is a JWT identity provider and user management API. It functions as an OAuth 2.0 compliant server that handles user registration and authentication while issuing signed JSON Web Tokens to control access to protected API resources. The service integrates external identity providers to allow users to sign in using third-party accounts. It also includes an SMTP notification service for delivering password resets, signup confirmations, and account recovery emails. The system covers broader capabilities for user account management, including the ability to update user profiles and manage c

Lamp Cloud is a multi-tenant SaaS backend framework built on Java and Spring Cloud that provides a complete foundation for building enterprise-grade administration systems. Its core identity centers on supporting multiple tenant isolation strategies—including database-per-tenant, schema-per-tenant, and shared-table modes—that can be switched without altering business code, alongside a role-based access control system enforced at the gateway layer across all microservices. The framework distinguishes itself through comprehensive tenant lifecycle management tools that allow creating, configurin

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

GreptimeDB is a distributed, open-source time-series database built for unified observability. It stores and queries metrics, logs, and traces together in a single columnar engine, supporting both SQL and PromQL for analysis. The database is designed as a Kubernetes-native operator with a decoupled compute and storage architecture, enabling horizontal scaling and multi-region deployment. What distinguishes GreptimeDB is its role as a multi-protocol ingestion gateway, accepting data through OpenTelemetry, Prometheus Remote Write, InfluxDB, Loki, Elasticsearch, Kafka, and MQTT protocols without

No-as-a-Service is a lightweight, self-hosted API that returns a random humorous rejection reason as a JSON object through a single GET endpoint. It serves pre-defined rejection reasons from a static JSON array without any database, external storage, or third-party dependencies, using only Node.js built-in modules for its zero-dependency HTTP server. The API processes each request independently with no session state, caching, or persistent connections, making it a stateless REST endpoint. Its rejection reasons are stored in a simple, human-readable JSON configuration file that can be edited w

TabFS is a browser automation tool and virtual filesystem that maps browser tabs and page elements to files. It provides a FUSE-based bridge that allows external scripts and tools to interact with a browser's JavaScript runtime through standard file system operations. The system enables the execution of JavaScript expressions and the manipulation of DOM elements by reading and writing synthetic files. Users can control tab state, create new tabs, and inspect metadata such as URLs and titles using a file manager or shell. The project covers capabilities for browser automation, including acces

Lux is a command line video downloader written in Go designed for extracting and saving video and audio from various websites. It functions as a concurrent media downloader that increases transfer speeds by splitting files into fragments and downloading them using multiple threads. The tool serves as a playlist download manager capable of retrieving entire video collections or specific ranges of items. It also operates as a proxy-enabled media client, supporting HTTP and SOCKS5 proxies and session cookies to access region-locked, private, or age-gated content. Additional capabilities include

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

Blocky is a stateless DNS proxy that functions as a network-wide ad-blocker and content filter. It operates as a single binary or Docker container with no database or persistent state, accepting DNS queries over UDP, TCP, HTTPS, TLS, QUIC, and HTTP/3 through a unified plugin-based query pipeline. The core of the system is a client-group policy engine that assigns devices to named groups and applies per-group blocklists, allowlists, and upstream resolvers, with all configuration changes applied through hot-reloading without requiring a restart. The project distinguishes itself through its modu

Falcon is a minimalist Python web API framework and high-performance microservices framework. It serves as a resource-oriented API toolkit designed for building RESTful APIs and data plane services that prioritize low overhead, reliability, and scale. The framework implements an ASGI web server interface to handle both synchronous and asynchronous HTTP requests and WebSockets. It features a dedicated HTTP middleware system for intercepting network traffic and executing shared processing logic across multiple API endpoints. Its capability surface covers resource-based routing, HTTP specificat