Koofr

Best Self-hosted Alternatives to Koofr

A curated collection of the 14 best self hosted alternatives to Koofr.

Koofr is a cloud storage service for syncing, backing up, and sharing files. It provides web, desktop, and mobile clients and lets users connect and manage external cloud accounts (Google Drive, Dropbox, OneDrive) from a single interface.

Alternatives List

#1
AList

AList

AList is a multi-storage file listing and sharing server with WebDAV access, file previews, protected routes, uploads, and cross-storage file operations.

AList screenshot

AList is a web-based file listing and sharing application that unifies many storage providers behind a single interface. It provides browser access and WebDAV access, with rich previews and optional protection per path.

Key Features

  • Connect multiple storage backends (local storage and many cloud and network providers)
  • WebDAV server support for accessing files via standard clients
  • File previews for common formats (images, audio, video, office documents, PDF, Markdown, code, plain text)
  • Protected routes with password protection and authentication
  • Web-based file operations such as upload, delete, create folders, rename, move, and copy
  • Cross-storage copy and offline download support (including torrent-based offline download)
  • Package/batch download support and download acceleration options
  • Dark mode, internationalization, and permalink/direct download features

Use Cases

  • Create a unified portal to browse and share files from multiple storage providers
  • Provide WebDAV access to cloud drives for desktop and mobile file managers
  • Publish media and documents with previews and optional per-folder access control

Limitations and Considerations

  • Some storage providers may impose rate limits or account restrictions that can affect performance or reliability
  • Feature availability can vary depending on the capabilities and APIs of each configured storage backend

AList is a practical choice when you need a lightweight, deployable file portal that aggregates many backends and exposes them through a modern web UI and WebDAV-compatible access. It is especially useful for homelabs and teams that want a single, consistent way to browse and download files across different storage services.

49.1kstars
8kforks
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#2
Puter

Puter

Self-hostable internet OS that provides a web desktop, cloud storage, and an app platform for files, web apps, and remote-work style workflows.

Puter screenshot

Puter is an open-source “internet operating system” that runs in your browser, combining a web desktop with personal cloud storage and an extensible app platform. It can be used as an alternative to services like Dropbox/Google Drive and as a remote desktop-style environment for servers and workstations.

Key Features

  • Web-based desktop environment with file manager and app-style UX
  • Personal cloud storage for organizing and accessing files from anywhere
  • Extensible platform for building and publishing web apps, websites, and games
  • App distribution model via an integrated app store concept
  • Designed to be self-hosted for privacy-first deployments

Use Cases

  • Replace proprietary cloud drives with a self-managed personal cloud
  • Provide a browser-accessible workspace for a home server or NAS
  • Host internal web apps and tools behind a unified web desktop interface

Limitations and Considerations

  • Requires a modern Node.js runtime (the project targets recent Node.js versions)
  • Resource usage and responsiveness depend on server hardware and the number of active users/apps

Puter fits teams and individuals who want a web-native desktop experience paired with file storage and a flexible app platform. It is especially useful for homelabs and private cloud setups where you want a single, browser-accessible workspace.

39.6kstars
3.5kforks
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#3
Filestash

Filestash

Self-hosted Dropbox-like web file manager that connects to SFTP, S3, WebDAV, SMB/NFS, Git and more, with sharing links, plugins, and SSO integration.

Filestash screenshot

Filestash is a self-hosted, web-based file manager and file sharing portal that provides a unified interface over many storage systems and protocols. It aims to deliver a modern “cloud drive” experience while keeping data in your existing infrastructure through backend connectors.

Key Features

  • Unified web UI for multiple backends (including SFTP, S3-compatible storage, FTP/FTPS, WebDAV, SMB, NFS, and Git)
  • Share links for files and folders, designed for convenient external access
  • Plugin-based architecture for extending storage backends, authentication, UI, and capabilities
  • SSO integration options via enterprise identity systems (LDAP, SAML, and OIDC)
  • Built-in viewers for common media types (images, audio, video), with optional transcoding support
  • Built-in API and gateway-style options to expose underlying storage via protocols such as SFTP and S3

Use Cases

  • Provide a web portal for SFTP/S3/WebDAV/SMB/NFS storage without migrating data
  • Enable secure file sharing and collaboration over existing network or object storage
  • Offer a branded, single entry point to multiple storage systems for teams or customers

Limitations and Considerations

  • Some advanced capabilities (connectors, viewers, automation, and integrations) depend on the available plugin set and configuration

Filestash is a good fit when you want a polished, extensible file browser and sharing layer on top of heterogeneous storage. Its plugin system and broad protocol support make it adaptable to both homelab and enterprise environments.

13.7kstars
961forks
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#4
ownCloud

ownCloud

Open-source platform for secure file sync, sharing, collaboration, calendars and external storage with WebDAV/CalDAV/CardDAV support.

ownCloud screenshot

ownCloud is an open-source platform that provides secure file synchronization, sharing and team collaboration with integrations for calendars, contacts and external storage backends. It supports both classic ownCloud Server and the newer Infinite Scale architecture for larger deployments and modern APIs.

Key Features

  • File sync and share with fine-grained permissions, public links, password and expiry controls.
  • Virtual File System (VFS) / selective download for low local storage usage in desktop clients.
  • External storage mounts: Amazon S3 (and S3-compatible), SMB/CIFS, FTP/SFTP, Google Drive, Dropbox and WebDAV backends.
  • Calendar and Contacts support via CalDAV and CardDAV, plus apps for mail, news and integrations.
  • Web-based office integrations (OnlyOffice, Collabora, Microsoft integrations) for real-time document collaboration.
  • Admin tooling: occ CLI, app marketplace, audit/logging, LDAP/AD and OAuth2 authentication options.

Use Cases

  • Centralized, auditable enterprise file sharing and secure external collaboration with compliance controls.
  • Teams collaborating on documents in-browser using integrated web-office connectors while retaining data control.
  • Aggregating multiple storage silos (S3, SMB, cloud drives) into a single point of access for search and sharing.

Limitations and Considerations

  • SQLite is provided for testing or very small installs but is not recommended for production; MariaDB/MySQL or PostgreSQL are the recommended engines.
  • Some external-backend behaviors are limited by backend semantics (for example, S3-compatible mounts cannot be rescanned for manually added files in the same way as POSIX mounts).
  • Feature availability and commercial integrations (Oracle support, certain enterprise modules, certified deployments and support SLAs) differ between Community and Enterprise editions; assess edition-specific modules before deploying.

ownCloud combines a mature open-source core with a broad ecosystem of apps and connectors for storage, calendars and collaboration. It is suitable for organizations needing data sovereignty, multiple storage backends and standards-based protocols for syncing and calendaring.

8.7kstars
2.1kforks
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#5
FileBrowser Quantum

FileBrowser Quantum

Self-hosted web file browser to manage files, users, access control, sharing links, previews, and fast indexed search with real-time UI updates.

FileBrowser Quantum screenshot

FileBrowser Quantum is a self-hosted web-based file manager for accessing and managing files through a modern, responsive interface. It focuses on fast navigation and search, multi-source configuration, and flexible sharing and access controls.

Key Features

  • Web UI for browsing, uploading, downloading, renaming, and managing files and folders
  • Multiple configurable sources (mounts/paths) within a single instance
  • Indexed search with real-time results, filters, and UI updates as the filesystem changes
  • Directory-level access control scoped to users or groups
  • Share links with configurable expiration, audience (including anonymous), and permissions
  • Authentication options including OIDC, password login with 2FA, and proxy-based auth
  • Built-in API with support for long-lived API tokens and a Swagger endpoint
  • Media-friendly browsing with thumbnails and previews (including richer handling for common office/video/artwork scenarios)

Use Cases

  • Provide a simple web file portal for a server, NAS, or homelab storage
  • Securely share files and folders externally with expiring links and scoped permissions
  • Offer a lightweight, centrally managed file browsing UI for teams with SSO

Limitations and Considerations

  • Indexing is enabled by default and can increase memory usage on very large filesystems
  • Some features are still under development (for example jobs, metrics, tags, quotas, activity log)

FileBrowser Quantum is well-suited for users who want a fast, single-binary web file manager with strong access controls, modern UI, and powerful search. It is a fork with significant changes aimed at making installation, configuration, and day-to-day browsing more efficient.

6.4kstars
286forks
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#6
Unison

Unison

Unison is a cross-platform, bidirectional file synchronization tool that keeps two directory replicas in sync over SSH or TCP, with conflict detection and offline support.

Unison screenshot

Unison is a file-synchronization tool for POSIX systems (Linux, BSD, macOS) and Windows. It keeps two replicas of a set of files and directories synchronized, allowing changes to be made independently on each side and then propagated in both directions.

Key Features

  • Bidirectional synchronization (not one-way mirroring) with automatic propagation of non-conflicting changes
  • Conflict detection and presentation when both replicas are modified
  • Works locally (different disks) or across networks between hosts
  • Communication over SSH or direct TCP connections
  • Efficient transfers over slow links, optimizing small updates to large files with an rsync-like delta/compression approach
  • Offline-friendly behavior since data is copied rather than accessed via a network filesystem
  • Resilient to failures, aiming to keep replicas and internal state consistent after interruptions
  • Repeat mode with filesystem monitoring to sync changes soon after they happen

Use Cases

  • Keeping a laptop and a server directory synchronized across SSH
  • Syncing personal work folders between multiple computers without relying on a centralized cloud drive
  • Maintaining consistent configuration or project directories across machines while handling occasional conflicts

Limitations and Considerations

  • Designed for synchronizing exactly two replicas at a time; it is not a multi-node distributed filesystem
  • Conflicts require user resolution when both sides change the same file or structure

Unison is a mature, long-used synchronizer focused on correctness, cross-platform support, and reliable two-way syncing. It fits best where you want direct control over replication behavior and a robust tool that works well over real-world networks.

5.1kstars
265forks
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#7
OpenCloud

OpenCloud

OpenCloud is an open source platform for file management, secure sharing, sync, and team collaboration with modern authentication and access controls.

OpenCloud screenshot

OpenCloud is an open source platform for file management, sharing, and collaboration designed for organizations that need control over their data. It focuses on simple operation, strong security, and integration into existing IT environments.

Key Features

  • File management with sharing links and permission controls
  • Real-time collaboration features and integration with an office suite
  • OpenID Connect authentication with support for external identity providers and an embedded identity provider
  • Security features such as encryption, two-factor authentication, and versioning to help recover from unwanted changes
  • Designed for on-premises operation and environments with strict compliance requirements

Use Cases

  • Internal file sharing and collaboration for teams in companies and public institutions
  • Secure data rooms for projects, research groups, or cross-department collaboration
  • Replacement for proprietary EFSS solutions in sovereignty-focused IT stacks

Limitations and Considerations

  • The backend stores data on the filesystem and does not rely on a traditional database, which may influence scaling and backup approaches depending on your deployment model

OpenCloud is a strong fit for organizations seeking a modern, open source EFSS and collaboration solution with OIDC-based authentication and enterprise-oriented security controls. It is particularly suited to deployments that prioritize data sovereignty and straightforward integration.

4.8kstars
162forks
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#8
myDrive

myDrive

Open source Google Drive-like cloud storage with uploads, sharing, media gallery, and optional AES-256 encryption, backed by MongoDB and pluggable storage.

myDrive is an open source cloud file storage server that provides a Google Drive-like experience in a web browser. It stores file and folder metadata in MongoDB and can store file chunks in different backends such as the local filesystem or Amazon S3-compatible storage.

Key Features

  • Upload and download files and folders (folder downloads exported as ZIP)
  • File sharing features for distributing content
  • Photo and video viewing with a media gallery
  • Generated photo and video thumbnails (video thumbnails optional)
  • Progressive Web App (PWA) support with a service worker
  • AES-256 encryption for stored data
  • User authentication with JWT access and refresh tokens
  • Email verification support
  • Docker and Docker Compose deployment options

Use Cases

  • Personal or family cloud drive to store and access files from a browser
  • Small team file sharing with a simple web-based UI
  • Media-focused storage for photos and videos with thumbnail previews

Limitations and Considerations

  • Video streaming may be unreliable in some browsers (notably Safari)
  • Folder uploads can fail on complex folder structures
  • Video thumbnail generation may require temporary local storage and can fail depending on configuration

myDrive is a practical option for running a lightweight, Drive-style file manager with media browsing and sharing. Its pluggable storage backends and container-friendly deployment make it suitable for homelabs and small deployments.

4.2kstars
493forks
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#9
PicoShare

PicoShare

Open-source PicoShare lets users upload and share files of any type and size via direct download links, preserving originals and offering easy deployment via Docker or from source.

PicoShare screenshot

PicoShare is a minimalist, open-source service for uploading and sharing files. It provides direct download links for uploaded files, preserves original filenames and metadata, and avoids re-encoding or resizing media.

Key Features

  • Direct download links for uploaded files, with no ads or required signups for recipients
  • Supports arbitrary file types and sizes; no automatic re-encoding or resizing of media
  • Simple admin interface protected by a shared secret for managing uploads and links
  • Multiple deployment options: run from source or run an official container image
  • Optional data replication support using a WAL-based replication tool for cloud backups
  • Uses an embedded SQL database for file metadata and storage index to minimize operational complexity

Use Cases

  • Quick one-off file sharing between collaborators without creating accounts
  • Private media distribution where original file fidelity must be preserved (images, audio, video)
  • Lightweight internal file drop service for small teams or personal servers

Limitations and Considerations

  • Not designed for multi-writer clustered deployments: concurrent writes across multiple instances are not synchronized
  • Maintained as a hobby/open-source project; scope is intentionally limited and some feature requests may be declined due to maintainer bandwidth
  • For large-scale or enterprise use, additional monitoring, backup planning, and storage provisioning will be required

PicoShare is best suited where a simple, privacy-conscious, and low-overhead file sharing service is needed. It is straightforward to deploy and integrates into standard container-based workflows for small-scale production or personal use.

2.8kstars
197forks
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#10
FileRise

FileRise

Lightweight self-hosted file manager with per-folder ACLs, WebDAV drive mounts, sharing, resumable uploads, optional encryption at rest, and OIDC SSO.

FileRise screenshot

FileRise is a modern, lightweight web-based file manager you can run on your own server. It combines a fast file portal UI with granular per-folder access control, sharing, and WebDAV for mounting as a drive.

Key Features

  • Granular per-folder ACLs (view, upload, create, edit, rename, move/copy, delete, extract, share) enforced across UI, API, and WebDAV
  • Drag-and-drop uploads with chunked/resumable transfers, pause/resume, and progress tracking
  • Optional folder-level encryption at rest with automatic disabling of incompatible features for safety
  • WebDAV access (ACL-aware) for macOS/Windows/Linux drive mounts and common clients
  • File sharing and shared uploads, plus Trash with retention for recovery
  • Built-in previews and an in-browser editor for quick edits
  • Tags and search for organizing and finding content
  • Multi-user auth with optional TOTP 2FA and OIDC SSO (with optional auto-provisioning)
  • Optional OnlyOffice integration for editing office documents with your own Document Server

Use Cases

  • Personal or family “cloud drive” with permissions and easy sharing
  • Team file portal with controlled uploads/downloads and WebDAV drive mapping
  • Client-facing delivery and collection workflows using share links and upload-focused access

Limitations and Considerations

  • When folder-level encryption is enabled, certain features (notably WebDAV and sharing) are intentionally disabled for compatibility and security.

FileRise aims to stay lightweight while providing enterprise-style permission control and practical usability features like resumable uploads and WebDAV. It is suitable for self-hosters who want a polished file portal without requiring an external database.

891stars
38forks
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#11
Sync-in

Sync-in

Self-hosted platform to store, share, collaborate on, and synchronize files with WebDAV, desktop clients, and granular permissions.

Sync-in screenshot

Sync-in is an open-source platform for storing, sharing, synchronizing, and collaboratively editing files on infrastructure you control. It provides a web interface, desktop/CLI clients, and native WebDAV access for seamless integration with user workflows.

Key Features

  • Full web interface with advanced file manager, collaborative spaces, and granular role-based permissions.
  • Native WebDAV implementation (written in TypeScript) for mounting spaces as remote drives and direct file access across platforms.
  • Desktop clients and CLI for Windows, macOS, and Linux with one-way and two-way sync modes, scheduling, and transfer logs.
  • Server-side full-text indexing and incremental indexing to search document content (PDF, Office, HTML, plain text, etc.).
  • Configurable persistence and runtime options (MySQL-compatible database and optional Redis-based caching/websocket adapter).

Use Cases

  • Enterprise or institutional file hosting where data sovereignty and compliance require self-hosting.
  • Teams needing shared collaborative spaces with fine-grained access, activity tracking, and real-time editing integrations.
  • Personal or automated sync workflows using desktop clients, CLI, or WebDAV for backups, remote editing, or integration with local tools.

Limitations and Considerations

  • Full-text indexing is incremental (not strictly real-time); indexing cadence and resource use should be planned for large archives.
  • Default production deployments expect a MySQL-compatible database; administrators should review configuration for scale and high-availability.

Sync-in is focused on data ownership, secure collaboration, and interoperability with existing tools. The project provides Docker and NPM deployment paths, desktop clients, and an online demo for evaluation.

704stars
38forks
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#12
QuickShare

QuickShare

QuickShare is a lightweight, self-hosted file sharing web app with browser-based file management, resumable transfers, QR-code sharing, and multi-user controls.

QuickShare screenshot

QuickShare is a cross-platform file sharing and file management service designed for quick transfers between devices. It provides a web interface for managing files and folders, with multi-user support and sharing options for both authenticated and anonymous access.

Key Features

  • Browser-based file and folder management (upload, download, create, delete, move)
  • Resumable uploads and downloads
  • Bulk uploads (hundreds of files at once)
  • Fuzzy search for files and folders
  • Directory sharing, including anonymous shares
  • QR-code scanning to open shared folders on other devices
  • Multi-user accounts with roles (admin/user)
  • Per-user home directories, storage quotas, and upload/download speed limits
  • Adaptive UI with internationalization support
  • Can run as a single binary or via Docker

Use Cases

  • Sharing files quickly across phones, laptops, and desktops on a local network
  • Providing temporary or anonymous folder shares for teams or guests
  • Hosting a simple personal file drop and download portal with user quotas

Limitations and Considerations

  • The project is under active development and may not guarantee full backward compatibility

QuickShare is a good fit when you want a straightforward, fast file-sharing portal with practical management features and basic user controls. Its resumable transfers, QR-based access, and cross-platform deployment options make it especially convenient for everyday device-to-device sharing.

625stars
40forks
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#13
PlikShare

PlikShare

Self-hosted file sharing platform with box-based access controls, S3 or local storage, file previews, ZIP browsing, OCR and optional AI integrations.

PlikShare screenshot

PlikShare is a self-hosted file sharing and collaboration platform that organizes files into workspaces and "boxes" to control external access. It provides user management, granular permissions, and flexible storage backends for on-prem or S3-compatible object stores.

Key Features

  • Box-based sharing model with invite, anonymous links, upload-only and read-only modes
  • Unlimited users and workspaces with role- and permission-based access control
  • Flexible storage: local disk or S3-compatible object stores (Cloudflare R2, AWS S3, DigitalOcean Spaces, Backblaze B2)
  • File previews for video, audio, text, PDFs, markdown (with Mermaid) and ZIP archive browsing
  • Built-in file encryption and per-box access controls
  • Embeddable box widget (JavaScript/CSS) to collect or present files on other websites
  • Integrations: OCR via AWS Textract and preliminary ChatGPT integration for querying text files
  • Docker-ready deployment and CLI/config tooling; email configuration for notifications and user confirmations

Use Cases

  • Centralized team file sharing and project workspaces with controlled external collaboration
  • Collecting files from customers or partners via embeddable upload widgets on public sites
  • Hosting large media or archival files on S3-compatible storage while retaining fine-grained access control

Limitations and Considerations

  • OCR via Textract requires AWS S3 as intermediate storage and appropriate AWS credentials
  • ChatGPT/AI integrations are early-stage and require external API/configuration; not a full RAG/LLM platform
  • Only markdown files are editable in-browser; general file editing is not provided
  • No official desktop sync client; functionality is primarily web-first

PlikShare is focused on secure, configurable file sharing with embeddable workflows and S3 support, suitable for teams that need on-prem control or S3-backed storage. It is deployable via containers and emphasizes fine-grained access controls and preview capabilities.

88stars
4forks
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#14
Phylum

Phylum

Self-hosted file storage platform with offline-first clients, selective sync, version history, WebDAV access, and support for external auth and storage backends.

Phylum screenshot

Phylum is a self-hosted file storage and management platform designed as a straightforward alternative to Google Drive or Dropbox. It focuses on a fast file browser and offline-first web and native clients, aiming to provide core file features without extra suite functionality.

Key Features

  • Offline-first clients designed to work with unreliable or no internet connections
  • Selective sync and fast file browsing/management
  • Users and permissions for multi-user environments
  • File version history
  • Public sharing of files and folders
  • WebDAV access for broad client compatibility
  • Pluggable authentication backends (including LDAP and OIDC)
  • Remote storage backends support

Use Cases

  • Private cloud drive for individuals, families, or small teams
  • File access and sync for mobile/remote workflows with spotty connectivity
  • Central file repository with external authentication and WebDAV client support

Limitations and Considerations

  • Native clients are not yet built/tested on macOS, iOS, and Windows
  • Some advanced administration tasks may require using the CLI

Phylum is best suited for users who want to own their data and run a focused, fully featured file storage service. It emphasizes reliability, offline-capable clients, and practical interoperability features like WebDAV and standard authentication integrations.

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Why choose an open source alternative?

  • •Data ownership: Keep your data on your own servers
  • •No vendor lock-in: Freedom to switch or modify at any time
  • •Cost savings: Reduce or eliminate subscription fees
  • •Transparency: Audit the code and know exactly what's running