Projects sharing features with Flysystem

LanceDB is a vector database and columnar data store designed to function as a versioned dataset manager and vector search engine. It serves as a high-performance backend for indexing and retrieving high-dimensional embeddings, providing the foundation for machine learning data pipelines. The system distinguishes itself through a combination of cloud-native object storage and immutable version tracking, allowing for data time-travel and reproducible AI experiments. It integrates hybrid search capabilities, merging dense vector similarity with BM25 full-text search and SQL-like scalar filters

This project is a reactive, offline-first NoSQL database engine designed for JavaScript applications. It provides a robust framework for managing application state by synchronizing data across browsers, mobile devices, and server-side runtimes. By treating local storage as the primary source of truth, it enables applications to remain functional without network connectivity, automatically reconciling changes with remote backends once a connection is restored. The database distinguishes itself through a modular architecture that supports cross-environment synchronization and high-performance d

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node-glob is a Node.js library for finding and matching files and directories using glob patterns. It functions as a filesystem traversal tool and path resolution library, enabling the identification of entries within directory trees based on specific search criteria. The project features a virtual filesystem interface, allowing native filesystem methods to be replaced with custom objects. This enables pattern matching against mocked data or non-native storage systems. The toolkit covers a broad range of filesystem operations, including recursive directory traversal, path normalization acros

This project is a micro-framework designed for building standalone command-line applications and terminal utilities using PHP. It provides a structured environment for developing console tools, incorporating a dependency injection container to manage object lifecycles and a service provider system to handle modular application bootstrapping. The framework distinguishes itself by offering built-in capabilities for compiling applications into self-contained, portable executable binaries. It also includes a centralized task scheduling engine that allows developers to define and execute recurring

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

InsForge is a backend-as-a-service platform that provides an integrated suite of tools for managing relational databases, identity provision, object storage, and serverless compute. It functions as an open-source identity provider and a PostgreSQL database manager featuring integrated vector storage and row-level security. The platform serves as an LLM orchestration gateway, offering a unified endpoint to route requests across various AI providers through an OpenAI-compatible interface. It enables AI-driven application generation and connects AI agents to backend resources using a standardize

Cloudreve is a self-hosted cloud storage platform designed to provide personal and organizational file management. It functions as a web-based solution that allows users to store, organize, and share digital files across multiple devices while maintaining control over their own data infrastructure. The platform distinguishes itself through a storage backend abstraction layer, which provides a unified interface to manage files across diverse local and remote cloud providers. It incorporates a robust identity and authorization layer that supports standard OAuth 2.0 flows for secure third-party

Paperclip is an ActiveRecord file attachment manager that links database models to files stored on local disks or cloud storage. It functions as a system for managing file attachments, a fingerprinting system for detecting duplicates and verifying integrity, and a MIME type validator to ensure uploaded files match allowed formats. The project features an image processing pipeline that uses command-line utilities to automatically generate thumbnails and scaled versions of images based on predefined dimensions. It also provides S3 compatible file storage for managing attachments in Amazon S3 an

This project is a cross-platform mobile filesystem API that provides a native bridge for reading, writing, and organizing files and directories on iOS and Android devices. It serves as a native-module wrapper that maps JavaScript calls to native Java and Objective-C filesystem operations using asynchronous promises. The library includes a dedicated toolset for remote file transfers, enabling the downloading of files from URLs and the uploading of local content to remote servers with real-time progress tracking. It also provides a native device storage interface to access bundled application a

Feast is an open-source feature store for machine learning that provides a central platform for defining, storing, and serving features across both training and inference workflows. It operates as a declarative system where feature definitions are written as code in Python files, synchronized to a central registry, and made available for low-latency online retrieval or point-in-time correct historical joins for training datasets. The project abstracts storage behind a pluggable architecture, allowing offline and online backends to be swapped without changing retrieval logic, and coordinates ma

DesktopCommanderMCP is a Model Context Protocol (MCP) server that gives AI agents direct access to local files, shell commands, and system processes through natural language instructions. It acts as a unified bridge between conversational commands and desktop operations, enabling an AI to translate plain English into file management, code editing, system command execution, data analysis, and software scaffolding tasks without needing its own API. The server exposes these capabilities as structured tools via the MCP protocol, so any compatible agent can interact with the local environment in a

CloudPaste is a secure file sharing platform and multi-backend storage aggregator. It unifies local and S3-compatible cloud storage providers into a single managed file system, serving as a gateway for centralized file access and distribution. The platform distinguishes itself through a built-in browser-based Markdown editor for composing documents with formulas and diagrams. It provides secure content sharing using password protection, expiration dates, and path-restricted API keys to control programmatic access and visibility. The system covers broad capabilities in file management, includ

This project is a self-hosted cloud storage server and content collaboration platform implemented as a PHP web application framework. It functions as a centralized server for storing, synchronizing, and sharing files and data across multiple devices. The system operates as a WebDAV file server and a synchronization server for scheduling and contact information using CalDAV and CardDAV protocols. It features a plugin architecture that allows the server to be extended with additional applications and custom features. The platform provides capabilities for user and group access management, exte

Puter is a browser-based desktop environment and cloud-native development platform that provides a virtualized graphical workspace. It enables developers to build and deploy full-stack web applications by integrating cloud storage, authentication, and serverless backend logic directly into the browser, eliminating the need for traditional server infrastructure. The platform distinguishes itself through a unified cloud storage layer and a distributed network runtime that facilitates peer-to-peer communication and cross-origin resource fetching. It features a sophisticated cross-window orchestr

This project is a command-line utility designed for secure, content-addressable data archiving. It functions as an encrypted backup tool that stores data as deduplicated chunks, ensuring that every piece of information is identified by a cryptographic hash to maintain integrity across all backups. By applying strong encryption and message authentication codes to both data and metadata, the software prevents unauthorized access and detects potential tampering. The tool distinguishes itself through a backend-agnostic storage abstraction that allows users to maintain repositories across diverse

OS.js is a browser-based desktop environment built entirely with JavaScript that runs a full graphical interface with windows, file management, and applications inside any modern web browser without requiring local software installation. It provides a web desktop platform that manages application windows as DOM elements with z-ordering, resizing, and event routing, while offering an abstracted virtual filesystem layer that unifies access across multiple storage backends through a common read/write interface. The platform connects to remote servers and desktops using SSH, VNC, or Xpra protocol

Parse Server is a backend-as-a-service solution and Node.js framework that provides a ready-to-use REST and GraphQL API for mobile and web applications. It functions as a core backend infrastructure for managing database schemas, user authentication, and API routing. The system distinguishes itself with a real-time data engine that pushes database updates to clients via WebSockets and a GraphQL server that automatically generates schemas based on application data models. It also features an adapter-based storage layer that abstracts interactions with various cloud and local backends. The pla

Flipper is a runtime feature toggle system and library for Ruby applications. It enables the management of application features by toggling functionality on or off without the need to deploy new code. The system provides a mechanism for controlling code execution through boolean states, actor-based access, and percentage-based traffic rollouts. It includes a management interface for modifying flag states in real-time and a central registry for tracking available capabilities. The project covers a broad range of operational capabilities, including environment-specific flag isolation, configur

This project is a self-hosted, cross-platform instant messaging platform featuring a Go backend and a protobuf-based messaging server. It provides a unified communication suite with native clients for iOS, Android, and web, utilizing gRPC and Protocol Buffers for efficient data exchange. The system is distinguished by an extensible chatbot framework that allows for the integration of automated bots and plugins via standardized service interfaces. It supports high-availability clustering with sharded load distribution and a pluggable database backend to ensure reliability and flexible data per

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

LMCache is a distributed key-value cache manager and tiering system designed to accelerate large language model inference. It functions as a tiered storage layer that offloads tensors from GPU memory to CPU RAM, local disks, or remote object stores, enabling the reuse of cached prefixes across different inference sessions and serving engines. The system differentiates itself through a disaggregated prefill-decode model, which separates prompt processing from token generation by transferring caches between distributed compute nodes. It utilizes peer-to-peer orchestration to share and retrieve

go-cloud is a toolkit of cloud-agnostic libraries that provide portable Go interfaces for interacting with common cloud services. It enables multi-cloud application development by decoupling business logic from specific provider API implementations. The project utilizes a driver-based system to map generic interface calls to vendor-specific requests. This allows applications to switch between different cloud backends for blob storage, relational databases, and asynchronous publish-subscribe messaging without changing the core application code. Beyond storage and messaging, the toolkit includ

Levelup is a sorted key-value storage system that saves and retrieves data using byte arrays as keys and values. It provides a compatibility layer for Node.js and browsers that offers a unified interface for storage backends compliant with a specific abstract standard. The project features an atomic batch write engine to execute multiple write and delete operations as a single unit for data consistency. It includes a range-based data streamer for reading keys and values as continuous sequences and an event-driven storage monitor to track asynchronous updates and state changes. The system cov

libuv is a cross-platform asynchronous I/O library that provides an abstraction layer for event-driven networking, filesystem operations, and system signals. It utilizes a non-blocking event loop to coordinate asynchronous tasks and I/O events across different operating systems. The project features a unified interface for managing TCP, UDP, and DNS resolution, alongside an inter-process communication layer for sharing sockets via named pipes and Unix domain sockets. To prevent blocking the main execution loop, it includes a multi-platform thread pool for offloading computationally expensive

Uploadthing is a tool for integrating file uploads into web applications, providing a system to accept and store files through serverless file handling. It manages the end-to-end upload process, from creating backend endpoints to delivering content via a content delivery network. The project utilizes a presigned URL workflow to allow clients to upload files directly to cloud storage, reducing server ingress. It features a route-based validation system to enforce constraints on file types and sizes, alongside middleware for request authorization and secure post-upload callback webhooks. The p

Fine Uploader is a browser file upload widget and manager that provides a frontend interface for transferring multiple files. It functions as a chunked file upload manager and a client-side image processor. The project enables the direct transfer of files to cloud storage providers, specifically Amazon S3 and Microsoft Azure, to reduce the load on application servers. It includes tools for scaling and resizing image dimensions during the upload process to save bandwidth. The system manages large file transfers by splitting them into small pieces, allowing for pause and resume functionality.