Open-source alternatives to Android

This project is a self-hosted WebDAV file server and HTTP file manager that exposes a local file system for remote access and management. It functions as a private cloud storage solution, enabling users to perform file synchronization and automated network backups across different platforms and devices. The server includes built-in security to mitigate brute-force attacks by using middleware to block IP addresses after repeated failed authentication attempts. It also provides cross-origin resource sharing configuration to regulate how external web applications interact with the server. The s

DietPi is an ultra-lightweight Debian distribution and software platform purpose-built for single-board computers. It provides a minimal operating system that strips away unnecessary services to reduce CPU and RAM usage, and includes a curated software catalogue of pre-optimised applications that can be installed with a single command. The system reads a plain-text configuration file before first boot to perform unattended OS and software installation, and offers a web interface for remote system administration. What distinguishes DietPi is its comprehensive, integrated approach to turning a

FileBrowser is an open-source, self-hosted file management interface that runs as a single binary with no external dependencies. It provides a web-based interface for browsing, uploading, editing, and sharing files on a remote server, with a core architecture built on JWT-based stateless authentication and a rule-based path permission engine that controls access at the directory level. The project distinguishes itself through a comprehensive access control system that supports multi-provider authentication including OIDC, LDAP, external JWT, and two-factor authentication, alongside granular p

This project is a command line tool and background synchronization service for OneDrive cloud storage on Linux systems. It maintains data parity between local directories and the cloud, providing a utility for Linux cloud storage integration and file backup. The tool allows for the management of multiple cloud accounts simultaneously through instance-based configuration, isolating account data into separate directories. It supports selective synchronization by using pattern-based skip and inclusion lists to filter which files and folders are synced. Core capabilities include real-time file m

This project is a command-line synchronization client for OneDrive and SharePoint libraries on Linux. It functions as a synchronization engine that aligns local filesystems with cloud storage through bidirectional, unidirectional, or download-only workflows. The client supports headless authentication for servers without web browsers and can be deployed as a background service or within a containerized environment. It enables the management of multiple distinct cloud accounts on a single system and integrates with shared SharePoint sites and document libraries. The synchronization engine inc

OpenCloud is a self-hosted platform for synchronizing files across devices and sharing them with team members through collaborative spaces and access controls. It enables users to sync files between a server and local desktop and mobile clients, manage files and folders, and share content with internal and external contributors via permission-based links and file drops. The platform integrates an embedded OpenID Connect identity provider for authentication and supports external identity providers. It stores all data and metadata directly on the filesystem, eliminating the need for a separate

Seafile is a self-hosted file synchronization and sharing platform that provides a central server for maintaining file consistency across multiple devices. It functions as a cloud storage management system and a collaborative document suite, integrating tools for real-time teamwork and shared file management. The platform distinguishes itself through a metadata-driven file organizer that uses extensible properties and hierarchical tags instead of traditional folder structures. It includes client-side encrypted storage to protect private data using user-defined passwords before files leave the

This is a command-line client for managing multiple Aliyun Drive accounts from a single interface. It authenticates each account via an OAuth browser-based login flow, stores tokens separately, and allows switching between active sessions. The tool unifies local and cloud file paths under a common tree structure, enabling consistent browsing, upload, download, and organization across all connected accounts. The client implements several techniques to accelerate and control file transfers. Downloads are split into chunks and transferred concurrently across multiple streams, with progress track

This project provides containerized images for deploying a self-managed content collaboration and file sharing server. It enables the creation of private cloud storage and self-hosted file synchronization environments, allowing users to maintain data ownership and control over their infrastructure. The deployment model utilizes Docker images to simplify installation, scaling, and version updates. It distinguishes itself through a database-agnostic storage approach, supporting integration with PostgreSQL, MySQL, MariaDB, or SQLite, and employs volume mapping to ensure data persistence across c

TagSpaces is an offline-first file tagging and organization platform that lets you manage local files with portable metadata stored directly in filenames or sidecar JSON files, eliminating the need for a central database. It functions as a full-text file search engine, a Kanban board file organizer, a local AI file assistant, an S3-compatible cloud file manager, and a web clipper and bookmark manager, all within a single application. The project distinguishes itself through a local-first architecture where all file operations, indexing, and AI processing run entirely on the device, with cloud

This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure. The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis

This repository is a comprehensive collection of reference implementations and sample libraries for the Universal Windows Platform. It provides practical examples of how to use Windows Runtime APIs to build cross-device applications, including detailed guidance on XAML-based declarative user interfaces and DirectX-integrated rendering. The project distinguishes itself by providing a wide array of hardware integration suites, covering low-level communication with USB, Serial, I2C, SPI, and GPIO peripherals. It includes specialized implementations for mixed reality holographic rendering, advanc

This project is an Android file manager and cloud synchronization client designed to browse, manage, and organize documents and folders stored on a remote server. It functions as a WebDAV cloud storage client that mirrors folders between a mobile device and a personal cloud storage server. The application provides a mobile interface for remote file synchronization and distribution, allowing users to share files and folders with others. It ensures secure mobile data access by utilizing passcodes and biometric authentication to prevent unauthorized entry. The client integrates WebDAV and REST-

Perkeep is a personal content storage system designed for storing, syncing, and backing up digital assets. It functions as a distributed data synchronization engine and an S3 compatible backup tool, allowing users to persist data objects to cloud services for long-term preservation. The system utilizes a key-value content indexer to track data blobs for efficient retrieval and enumeration. It supports custom data modeling to define structures and relationships between stored information, moving beyond simple file storage. The platform includes capabilities for self-hosted content storage, pr

myDrive is a self-hosted cloud storage server and web-based file manager. It functions as an encrypted file storage system that allows users to host and manage personal documents and media on their own hardware. The system acts as a multi-backend storage gateway, capable of routing file data to various locations including local disks or remote cloud storage buckets. It uses a document database to manage file metadata, folder structures, and user organization. The platform provides capabilities for uploading and downloading files, organizing content through a trash system, and sharing private

GCDWebServer is a lightweight HTTP 1.1 server for iOS, macOS, and tvOS. It serves as an embedded network server for Apple platforms, allowing developers to handle incoming requests through custom synchronous or asynchronous handlers. The project includes a WebDAV server implementation for remote file management, directory browsing, and synchronization using standard network clients. It also provides a web-based file manager that enables users to upload, download, and organize files within an application sandbox via a browser. Additional capabilities include gzip compression, JSON processing,

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 Telegram API client and media archiving system designed to programmatically retrieve chat histories and export media. It functions as a download manager and message forwarder, allowing users to back up photos, videos, and documents from Telegram chats into structured local archives. The system distinguishes itself through advanced content filtering and forwarding capabilities. It can monitor chats for new messages, apply custom regular expressions to filter media by size or date, and automatically forward content between chats. This includes the ability to export protected c

Helios is a mobile backend as a service providing a server-side platform to manage user accounts, push notifications, and data synchronization for mobile applications. It functions as a REST API framework that automatically generates database tables and standard web service endpoints from defined data models. The project implements specialized services for the Apple ecosystem, including a Passbook service for managing digital passes and device registration. It also provides an in-app purchase verification service to decode purchase receipts and validate product identifiers through external ve

dufs is a self-hosted file manager and static file server that provides HTTP file hosting and WebDAV capabilities. It functions as a tool for sharing files over HTTP and managing folders remotely through both a web-based interface and the WebDAV protocol. The server distinguishes itself by mapping incoming requests directly to a local directory structure and offering a single-binary distribution for deployment. It supports the mounting of the server as a network drive via WebDAV and allows for the replacement of the default web interface using customizable asset overlays. The project covers

Arozos is a web-based desktop environment that delivers a full graphical desktop, personal cloud storage, media streaming, and productivity tools entirely through a browser. It functions as a personal cloud server, providing a private file storage system with upload, organization, and retrieval capabilities, alongside a media streaming server for on-demand music and video playback. The platform also includes a web office suite for creating and editing text documents, a cloud IDE with code execution for writing and running code, and a 3D print file previewer for inspecting models before printin

KityMinder is a web-based mind map editor that runs entirely in the browser, letting users create and edit hierarchical diagrams without installing any software. It automatically syncs mind maps to the cloud, keeping them accessible across devices and sessions. From the same interface, users can generate a public link that allows others to view the mind map immediately in their own browser. The editor provides a desktop-like interactive experience with drag-and-drop node manipulation, inline text editing, and an undo/redo history that tracks each action. All changes are persisted remotely, en

bypy is a Python client for interacting with Baidu Yun cloud storage via its official API. It functions as both a library for programmatic integration and a command-line manager for organizing and listing files within a cloud account. The project features a multi-process transfer tool that utilizes parallel processing to accelerate high-volume uploads and downloads. It provides bidirectional directory synchronization to align content between local file systems and remote cloud storage by identifying missing or outdated files. The tool covers recursive file transfers, automated cloud data bac

Lepton is a cross-platform snippet manager and cloud-synced code library designed to organize and synchronize reusable code fragments and text snippets across different operating systems. It functions as a developer productivity tool and a markdown-enabled code editor for managing technical documentation. The application supports synchronization via remote backends and private enterprise server instances, including GitHub Enterprise integration. It utilizes token-based authentication to secure private code repository syncing and ensures connectivity in restricted corporate environments throug

This is a mobile object database and NoSQL local data store that replaces relational tables with a schema-based model. It functions as a reactive data store, using live object observations and change notifications to trigger automatic user interface refreshes. The system provides built-in mobile cloud data synchronization to keep local datasets consistent with a remote server across multiple devices. It also includes security features for encrypted local storage, protecting sensitive on-disk data using at-rest encryption keys and fine-grained access control. Broad capabilities include object

Miniserve is an HTTP static file server that hosts local directories over the network with an integrated web-based file browser. It functions as a single-binary tool capable of serving as a markdown rendering server, a TLS-enabled web server for encrypted traffic, and a WebDAV file manager for remote file operations. The project distinguishes itself through specialized hosting modes, including a single page application mode that routes requests to a single index file and the ability to generate random hexadecimal access URLs to obscure served directories. It also provides the ability to conve

Pingvin Share is a self-hosted file sharing platform designed for uploading and distributing files via secure links. It provides a private alternative to third-party cloud services for managing file transfers. The platform integrates an external security engine to scan uploaded files for malware and threats before they become available. It supports identity management through OpenID Connect integration, allowing user authentication to be delegated to external identity providers. Storage is managed through a gateway that supports both local disk drives and S3-compatible cloud object storage.