11 Best Open Source Microsoft OneDrive Alternatives
A curated collection of the 11 best open source and self-hosted alternatives to Microsoft OneDrive in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Microsoft OneDrive in 2026? The top open-source alternative is Puter — All-in-one cloud desktop for work and play.
Other highly rated open-source Microsoft OneDrive alternatives include Spacedrive, Nextcloud and Ente.
All-in-one cloud desktop for work and play
Puter is a privacy-focused, open-source cloud desktop that combines apps, storage, and tools into a single browser-based workspace. Designed for productivity, creativity, and collaboration, it offers a familiar desktop-like experience without the need for local installations. - Unified Workspace: Access all your apps, files, and tools in one place with a desktop-like interface. - Privacy First: End-to-end encryption and GDPR compliance ensure your data remains secure and private. - Open Source: Fully transparent codebase with community-driven development on GitHub. - Cross-Platform: Works seamlessly across devices and browsers with no local software required. - Built-in Apps: Includes tools like Notepad, Voice Recorder, Camera, Music Player, and Audio Editor. - AI Integration: Optional AI-powered features for code generation, automation, and productivity. - Developer Tools: APIs and SDKs for building custom applications and integrations. - Self-Hosting: Deployable on your own infrastructure for full control over data and privacy. Puter is built with modern web technologies and can be self-hosted on any Linux server. The project provides detailed documentation for deployment, scaling, and customization. It supports Docker for easy setup and integrates with popular cloud storage providers. Visit Puter | GitHub Repository | Developer Docs
A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.
A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.
Self-hosted productivity platform for secure file sharing
Nextcloud is a self-hosted productivity platform that provides a safe home for all your data. It offers secure file sharing, collaboration tools, and a suite of integrated applications like calendars, contacts, mail, and more. - Secure File Storage & Sharing: End-to-end encrypted file storage with granular access controls and file versioning. - Collaboration Suite: Built-in tools for document editing, calendars, contacts, mail, and video conferencing. - App Ecosystem: Extensible with over 200+ community and official apps for enhanced functionality. - Self-Hosted & Private: Full control over your data with no third-party access or tracking. - GDPR Compliant: Designed with privacy in mind, meeting strict EU data protection regulations. - Cross-Platform Support: Available on desktop, mobile, and web with seamless synchronization. - Open Source: Transparent codebase with active community and enterprise support options. - Enterprise Features: Advanced security, scalability, and compliance tools for business use. Nextcloud is built with PHP and uses a relational database (MySQL, PostgreSQL, MariaDB) for storage. It supports Docker, Snap packages, and traditional server installations. The platform is highly scalable and can be deployed on-premises or in cloud environments. Comprehensive documentation and community support are available for self-hosting setups.
Private, end-to-end encrypted photo storage
Ente Photos is a private, secure photo storage solution designed with end-to-end encryption to ensure your photos remain completely private. Built as a cross-platform application, it supports desktop, mobile, and web platforms while offering open-source transparency and self-hosting capabilities. - End-to-End Encryption: All photos are encrypted before leaving your device, ensuring only you can access them - Cross-Platform Support: Available on iOS, Android, Windows, macOS, Linux, and web browsers - 10GB Free Storage: Start with 10GB of free encrypted cloud storage - On-Device Face Recognition: Detect and group faces locally without sending data to servers - Zero-Knowledge AI Search: Search photos using natural language queries without compromising privacy - Smart Albums: Automatic organization of photos into meaningful collections - Family Plans: Share subscriptions with family members at no extra cost - Public Links & Shared Albums: Collaborate and share photos securely with others - Easy Import/Export: Seamless migration of photos in and out of the platform - Widgets: Quick access to memories, albums, and people from your home screen - Hidden Photos: Securely store sensitive photos away from your main library - Legacy Contacts: Designate trusted contacts to access your photos in case of emergency Ente Photos is fully open source with all components available on GitHub. The platform can be self-hosted for complete control over your data storage and infrastructure. The application uses modern encryption standards to ensure data security while maintaining excellent performance across devices.
Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.
Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.
Self-hosted file sync and share with AI-powered organization
Seafile is an open-source, self-hosted file sync and share solution designed for high performance and reliability. Beyond basic file storage, it offers advanced features like custom file properties, AI-powered automation, and flexible organizational views to streamline file management. - Extensible File Properties: Assign custom properties (e.g., owner, status) to files and filter/sort using them. AI automatically generates file descriptions and extracts key information. - Flexible File Views: Create table, gallery, kanban, and map views based on file properties with support for filtering, sorting, and grouping. - Comprehensive Cloud Storage: View and edit files online (supports Office and text formats), access files from any device, and benefit from highly efficient syncing. - Granular Sharing Permissions: Control access at every level with read/write, read-only, and preview permissions. Share links support password protection and expiration. - Multi-level File Tagging: Organize tags in parent-child relationships for structured categorization, with AI-powered automatic tag generation. - Built-in Collaborative Docs (SeaDoc): Real-time co-editing with revision workflows, embedded videos/tables, and Markdown support. - Collaborative Wiki: Share team knowledge with nested subpages, rich content embedding, and full version tracking. - Enterprise-Grade Security: Advanced encryption, file history recovery, and comprehensive audit logs for compliance. Seafile is fully open-source and can be self-hosted on your own server or private cloud. It supports Linux, Windows, and macOS, with clients available for all major platforms. The software is GDPR-compliant and offers both community and enterprise editions.
Self-hosted file sharing & collaboration platform
OpenCloud is an open-source, self-hosted file sharing and collaboration platform designed for organizations requiring secure, scalable, and GDPR-compliant cloud solutions. Built by the Heinlein Group with 30 years of IT experience, it transforms files into valuable, structured resources for long-term usability. - Secure Collaboration: Zero-trust architecture with end-to-end encryption for sensitive data handling. - Scalable Infrastructure: Hyperscale-ready platform supporting large data volumes and growing teams. - GDPR Compliance: 100% compliant with EU data protection regulations, ideal for public sector and research institutions. - Cross-Platform Access: Mobile-friendly interface with barrier-free accessibility for educational use. - Flexible Data Rooms: Customizable workspaces for business productivity and team coordination. - Open Source: Community-driven development with transparent codebase and active contributions. - Migration Support: Tools to seamlessly transition from other cloud providers. - Multi-Use Case: Tailored solutions for public sector, research, education, business, and security needs. OpenCloud is built on open-source technologies and can be self-hosted on-premises or in private cloud environments. The platform supports Docker-based deployments and provides comprehensive documentation for administrators. It integrates with existing IT infrastructure while maintaining data sovereignty and compliance standards. For developers, OpenCloud offers a GitHub repository with active community support, issue tracking, and contribution guidelines. The project is licensed under AGPLv3, ensuring freedom to modify and distribute the software.
Open-source document archiving and organization platform
Papra is an open-source document management platform designed to help you organize, secure, and archive your files effortlessly. Whether for personal use or team collaboration, Papra provides a centralized solution to manage all your documents in one place. - Centralized Document Storage: Archive and organize all your documents in one place, eliminating scattered files across different platforms. - Organizations & Teams: Create organizations to manage documents and users, ideal for teams or companies. - Smart Tagging System: Categorize and filter documents easily with custom tags and automated tagging rules. - Powerful Search: Find any document in seconds with advanced search functionality. - Developer-Friendly: Access a robust API, webhooks, CLI, and SDK for seamless integration into existing workflows. - Email Ingestion: Forward emails to dedicated addresses to automatically save attachments as documents. - Privacy-First: All data is encrypted in transit and at rest, with no selling of user data. - Self-Hostable: Deploy Papra on your own infrastructure for complete data control. Papra is built with modern web technologies and is fully self-hostable. The platform is available as a Docker container, making deployment straightforward. All source code is open-source under the AGPL-3.0 license, allowing for transparency and community contributions. The system is designed to be scalable and can be customized to fit specific organizational needs. For self-hosting instructions, visit the official documentation.
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.
Open source encrypted file storage for teams
Twake Drive is an open-source, encrypted data storage solution designed for professionals and teams. It provides a secure way to store, manage, and share files while maintaining full control over data privacy. - End-to-End Encryption: All files and metadata are encrypted with unique keys for maximum security - Self-Hosting Capability: Deploy on your own infrastructure for complete data ownership - Built-in Office Suite: Create and edit documents, presentations, and spreadsheets directly in the drive - Shared Drive: Centralized space for team collaboration with granular access control - Advanced Search: Quickly find files by content, name, or metadata - Only Office Integration: Seamless document management and editing - Link Sharing: Secure file sharing with optional password protection - Modular Architecture: Operates independently or integrates via HTTPS APIs Twake Drive is built with a modular architecture that allows for both cloud and on-premise deployment. The solution prioritizes data sovereignty and can be installed on your own servers to ensure compliance with privacy regulations. Technical documentation and community support are available for self-hosting implementations.
Firefiles is an open-source alternative to Dropbox that lets you manage files across multiple cloud storage providers through a single interface.
Firefiles is an open-source alternative to Dropbox that lets you manage files across multiple cloud storage providers through a single interface.
About Microsoft OneDrive
Microsoft OneDrive is a secure cloud storage service that automatically backs up your files, photos, and videos, keeping them safe and accessible across all your devices. Whether you're using a desktop, phone, or Xbox, OneDrive ensures your data is protected with features like Personal Vault, ransomware detection, and end-to-end encryption.
Key Features of Microsoft OneDrive
- Automatic Backup: Securely back up files, photos, apps, and settings across devices.
- Personal Vault: Protect sensitive files with an extra layer of security.
- Ransomware Detection: Monitor accounts for suspicious activity to safeguard data.
- End-to-End Encryption: Ensure data privacy wherever it's accessed.
- Cross-Device Access: Edit and update files from anywhere, even offline.
- Document Scanning: Digitize important documents and mementos with the mobile app.
- Photo & Video Storage: Curate and relive memories with organized collections.
- AI Integration: Use Copilot for summaries and enhanced productivity in Microsoft 365.
- Xbox Integration: Back up game captures and share highlights securely.
Tech / Self-Hosting
OneDrive is a cloud-based service and does not support self-hosting. It is designed for seamless integration with Microsoft 365 and other Microsoft products.