20 self-hosted Proton Drive alternatives

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

50.1k stars7.9k forksAGPL-3.0last commit 22 Aug 2026Actively maintained

Copyparty is a portable file server with a web UI, accelerated resumable uploads, deduplication, indexing, and support for WebDAV, SFTP, FTP and more.

46.4k stars1.9k forksMITlast commit 23 Aug 2026Actively maintained

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

43.3k stars4k forksAGPL-3.0last commit 26 Aug 2026Actively maintained

Cloudreve is a self-hosted file management and sharing platform with multi-user access, WebDAV, share links, and support for local and S3-compatible storage backends.

28.6k stars3.9k forksGPL-3.0last commit 2 Aug 2026Actively maintained

Self-hosted file sync and share platform with libraries, sharing links, versioning, and optional end-to-end encrypted libraries for private team collaboration.

15.2k stars1.7k forkslast commit 26 Aug 2026Actively maintained

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.

14.6k stars1k forksAGPL-3.0last commit 26 Aug 2026Actively maintained

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

5.9k stars234 forksApache-2.0last commit 26 Aug 2026Actively maintained

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.

5.5k stars273 forksGPL-3.0last commit 6 Aug 2026Actively maintained

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

4.2k stars487 forksGPL-3.0last commit 9 Mar 2025Slowing down

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.

3k stars212 forkslast commit 25 Aug 2026Actively maintained

Peergos is a peer-to-peer encrypted file storage and private social platform with fine-grained access control, capability links, and a web UI for secure sharing.

2.5k stars195 forksAGPL-3.0last commit 26 Aug 2026Actively maintained

ownCloud Infinite Scale (oCIS) is a cloud-native file sync and share platform with WebDAV/CS3 APIs, OIDC authentication, and scalable microservice architecture.

2.1k stars268 forksApache-2.0last commit 26 Aug 2026Actively maintained

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

1.7k stars132 forksAGPL-3.0last commit 6 Aug 2026Actively maintained

Lightweight self-hosted cloud storage with end-to-end encryption, chunked file transfer, private search, and secure share links via a web UI.

1.5k stars66 forkslast commit 26 Aug 2026Actively maintained

bewCloud is a modern, lightweight alternative to Nextcloud/ownCloud for managing files, photos, notes and news in a simple web interface.

1.2k stars59 forksAGPL-3.0last commit 20 Aug 2026Actively maintained

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

1k stars52 forksMITlast commit 25 Aug 2026Actively maintained

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

634 stars40 forksLGPL-3.0last commit 3 Aug 2026Actively maintained

Self-hosted encrypted file sharing and vault. Client-side encryption, shareable expiring links, CLI and web UI, and storage backends (local, S3, Backblaze B2).

313 stars21 forksAGPL-3.0last commit 2 Jan 2026Slowing down

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

104 stars6 forksAGPL-3.0last commit 15 Aug 2026Actively maintained

FileRun is a self-hosted private cloud storage platform for managing existing server files, syncing via WebDAV, and securely sharing and collaborating with users and teams.

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