Open-source alternatives to Microsoft OneDrive

Puter is an AGPL-3.0 web-based operating environment with cloud storage, file management, applications, developer APIs, and a desktop-like interface.

Pricing: Free and self-hostable under AGPL-3.0; hosted services may be offered separately.

• Cloud file storage and web file manager
• Desktop-style interface and APIs
• Application ecosystem
• Broader than a simple cloud drive
• Less focused on traditional desktop synchronization

Spacedrive is a cross-platform distributed file manager that unifies files across devices and storage locations. Its current Functional Source License is source available rather than OSI-approved open source.

Pricing: Source available under FSL-1.1 with Apache-2.0 future relicensing; verify current hosted terms.

• Local-first and cross-platform
• Distributed file library
• Encrypted device communication
• Not currently OSI-approved open source
• Different model from a traditional cloud drive
• Synchronization is still evolving

Nextcloud is an AGPL-3.0-or-later collaboration platform with file synchronization, sharing, version history, permissions, mobile access, WebDAV, office integrations, and a large application ecosystem.

Pricing: Free and self-hostable under AGPL-3.0-or-later; hosted and enterprise services may be paid.

• Mature ecosystem
• Desktop/mobile sync, sharing, versioning, and WebDAV
• Office and app integrations
• Heavier infrastructure than simple file servers
• Larger deployments require careful administration

Ente is an AGPL-3.0 encrypted cloud platform focused on private photo and video storage, automatic backup, albums, sharing, cross-platform clients, and self-hosting.

Pricing: Open-source clients and server; hosted storage plans may be paid.

• End-to-end encryption
• Automatic photo backup and albums
• Cross-platform and self-hostable
• Primarily focused on photos and videos
• Not a general-purpose team file suite

Seafile is a self-hosted file synchronization and sharing platform with desktop and mobile clients, libraries, version history, permissions, and collaborative file workflows. Components use different open-source licenses.

Pricing: Open-source components are self-hostable; commercial editions and hosted services may be paid.

• Fast synchronization
• Strong performance with large libraries
• Mature file sharing and versioning
• Licensing differs across components
• Less extensible than a broad collaboration suite

Filestash is an AGPL-3.0 web file manager that connects to S3, SFTP, FTP, WebDAV, Samba, and other existing storage systems, providing previews and a unified browser interface.

Pricing: Free and self-hostable; requires an existing storage backend and optional commercial services may exist.

• S3, SFTP, FTP, WebDAV, and SMB support
• File previews and browser access
• Self-hosted and extensible
• Does not provide storage itself
• Less turnkey than Google Drive

OpenCloud combines file management, synchronization, sharing, spaces, search, permissions, WebDAV, office integrations, and cloud-native infrastructure. Its backend and web components use different licenses.

Pricing: Open source and self-hostable; commercial support or hosted services may be available.

• Data sovereignty focus
• Modern cloud-native architecture
• Sync, sharing, spaces, and office integrations
• Multiple licenses across components
• Younger ecosystem than Nextcloud

Papra is an AGPL-3.0 document archiving platform for securely storing, searching, tagging, and organizing invoices, contracts, receipts, and administrative files.

Pricing: Free and self-hostable under AGPL-3.0; hosted services may be offered separately.

• Simple self-hosting
• Search, tags, and metadata
• Useful for administrative archives
• Not a complete Drive replacement
• No broad desktop synchronization
• Limited collaboration

Sync-in is an AGPL-3.0-or-later platform for file storage, synchronization, sharing, WebDAV, team spaces, search, permissions, and collaborative document integrations.

Pricing: Free and self-hostable; verify current hosted and deployment options.

• File sync and team spaces
• WebDAV, search, and permissions
• Collaborative editing integrations
• Younger ecosystem
• Smaller community and integration ecosystem

ownCloud Infinite Scale is a self-hosted file synchronization and sharing platform with spaces, permissions, sharing, and collaborative integrations. Its backend and frontend components use different licenses.

Pricing: Open-source components are self-hostable; commercial offerings and support are available.

• Mature file-sync ecosystem
• Team spaces, sharing, and permissions
• Designed for organizational deployments
• Multiple licenses across components
• More enterprise-oriented than consumer cloud storage

Twake Drive is an AGPL-3.0 file storage and sharing platform from LINAGORA, with browser-based file management, collaboration, sharing, Docker deployment, and self-hosting.

Pricing: Open source and self-hostable; hosted services may be offered separately.

• Designed directly around the cloud-drive use case
• Web file manager and sharing
• Docker deployment
• Smaller ecosystem than Nextcloud
• Less mature desktop synchronization ecosystem

Firefiles is an AGPL-3.0 web file manager that turns existing S3-compatible storage buckets into a browser-based cloud drive with previews and bulk uploads.

Pricing: Free and self-hostable; requires an external object-storage backend.

• S3 support and multiple buckets
• Browser previews and bulk uploads
• You control the underlying storage
• Requires external storage
• Not a complete synchronization platform
• Smaller project