11 Best Open Source Tresorit Alternatives
A curated collection of the 11 best open source and self-hosted alternatives to Tresorit in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Tresorit in 2026? The top open-source alternative is Nextcloud — Self-hosted productivity platform for secure file sharing.
Other highly rated open-source Tresorit alternatives include Ente, Filestash and Seafile.
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.
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.
End-to-end encrypted cloud storage with privacy
Peergos is a secure, private space for storing, sharing, and syncing your files with end-to-end encryption. Unlike traditional cloud services, Peergos ensures your data and metadata remain completely private, even from the server itself. - Quantum-resistant encryption: Files are protected with post-quantum cryptography, safeguarding against future threats - Zero-knowledge architecture: Metadata like file sizes, directory structure, and contacts remain hidden from everyone, including Peergos - Cross-device sync: Synchronize files across multiple devices with end-to-end encrypted backups - Portable identity: Your identity is independent of any single server, allowing migration without losing data or connections - Offline access: View recent files entirely offline without compromising security - Social features: Share files securely with friends and manage a private social feed - Open-source: All code is publicly available for independent verification and self-hosting - Trustless system: Your data remains safe regardless of where Peergos runs Peergos is fully open-source and can be self-hosted on your own infrastructure. The project provides comprehensive documentation for deployment and maintenance. Security audits by Cure53 and Radically Open Security confirm the robustness of the system. The peer-to-peer protocol enables interoperability between different Peergos instances, allowing users on any server to connect and share securely. Peergos has been supported by organizations including the Next Generation Internet Program, Protocol Labs, FUTO, and the Oxford Foundry.
Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Open-source European personal cloud for secure data management
Twake Workplace (formerly Cozy Cloud) is a human-centric, open-source personal cloud designed to centralize and secure your digital life. Developed in France, it prioritizes privacy, GDPR compliance, and user control while offering seamless collaboration tools. - Twake Drive: Cloud storage with automatic document import (bills, bank statements, receipts) from third-party services - Twake Notes: Secure note-taking and collaboration with shared private spaces - Twake Pass: Password manager with synchronized access across devices - Twake Mail: Corporate email with advanced security features - Self-Hosting: Docker-based on-premise solutions for full data control - Cross-Platform Sync: Access documents anywhere via PC, smartphone, or tablet - GDPR Compliance: All data stored in France with strict privacy protections - Free Tier: Generous free storage with optional paid expansion Twake Workplace is built with a modular architecture using Go for the backend and modern web technologies for the frontend. The self-hosting solution is containerized with Docker, making deployment straightforward on any infrastructure. The stack includes: - Backend: Go-based cozy-stack with RESTful APIs - Frontend: React-based web interface with mobile apps (iOS/Android) - Database: PostgreSQL for structured data storage - Storage: S3-compatible object storage for files - Authentication: OAuth2 and SAML support - Deployment: Single Docker command for local/on-premise installation The open-source cozy-stack repository provides all components needed for self-hosting, with comprehensive documentation for custom deployments.
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 Tresorit
Tresorit is a premium cloud storage solution designed for businesses and individuals who prioritize security and compliance. Built on zero-knowledge end-to-end encryption, Tresorit ensures that only you can access your data, protecting sensitive files, intellectual property, and client information from unauthorized access.
Key Features of Tresorit
- Zero-Knowledge Encryption: All files are encrypted on your device before upload, ensuring only you can decrypt and access them.
- GDPR & HIPAA Compliance: Built-in security controls and regional data residency options to meet strict regulatory requirements.
- Secure Collaboration: Share files and folders with granular permission controls, revoke access anytime, and collaborate in encrypted workspaces.
- Cross-Platform Support: Access and sync files across desktop, mobile, and web platforms with seamless integration.
- Data Residency Options: Choose where your data is stored to comply with regional data protection laws.
- Enterprise-Grade Security: Advanced threat protection, audit logs, and compliance certifications for regulated industries.
- Microsoft & Gmail Integrations: Streamline workflows with direct integrations for Microsoft 365 and Gmail.
- Digital Signatures: Add-on for secure and legally binding eSignatures to accelerate business processes.
Tech / Self-Hosting
Tresorit is a cloud-based SaaS solution and does not offer self-hosting options. The platform is hosted in secure, EU-based data centers with strict compliance to GDPR and other regional regulations. For businesses requiring on-premises solutions, Tresorit provides enterprise-grade security and data residency options.