Open Source Cloud Storage

Proton Drive

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Proton

Proton Drive is an end-to-end encrypted cloud storage service from Proton AG, the Swiss company behind Proton Mail. Launched in 2022, it encrypts all files and metadata client-side before upload — Proton has zero access to your data. It integrates with the Proton ecosystem (Mail, Calendar, VPN, Pass) and offers photo backup, file versioning, and secure sharing links. Free tier includes 5 GB; paid plans up to 3 TB.

Filen

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Filen

Filen is a European cloud storage service designed to provide secure and private data storage solutions. It allows users to store, share, and access their files from anywhere, ensuring that all data is encrypted and protected. With Filen, users benefit from a robust set of features that prioritize privacy and compliance with EU regulations. Key features include end-to-end encryption, which ensures that only the user has access to their data, and zero-knowledge architecture, meaning Filen cannot access or view your files. Filen is hosted entirely within the EU, offering data sovereignty and compliance with GDPR standards, making it an ideal choice for individuals and businesses concerned about data privacy. The service is suitable for anyone from personal users needing secure storage for personal files to businesses requiring reliable and compliant cloud storage solutions. Filen offers a straightforward pricing model with options for both free and premium plans, allowing users to choose the level of storage and features that best fit their needs.

Cozy

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Cozy Cloud

Cozy is a European cloud storage service designed to provide secure and efficient data management for individuals and businesses. With data centers hosted within the EU, Cozy ensures that all data handling complies with GDPR regulations, offering users peace of mind regarding privacy and data sovereignty. Users retain full ownership of their personal data, which is protected by end-to-end encryption, making Cozy a reliable choice for those who prioritize data security. Key features include customizable storage plans, seamless integration with third-party applications, and automatic backup scheduling, ensuring that your data is always up-to-date and accessible across multiple devices. Cozy is ideal for privacy-conscious individuals and organizations looking for a secure and compliant cloud storage solution. The service offers flexible pricing models to accommodate varying storage needs, making it accessible to a wide range of users. By choosing Cozy, users benefit from the assurance of EU-hosted data centers, robust privacy measures, and the convenience of multi-device synchronization.

Nextcloud

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Nextcloud GmbH

Nextcloud is a self-hosted cloud storage solution designed to provide secure and compliant data management for individuals and organizations. It offers end-to-end encryption for files, ensuring that your data remains private and protected. With GDPR-compliant data processing, Nextcloud is an ideal choice for those prioritizing data sovereignty and privacy, especially within the European Union. Key features include version control for file revisions, collaborative document editing, and two-factor authentication support, making it a robust tool for both personal and professional use. The platform is extensible with third-party apps, allowing users to customize their experience according to their needs. Nextcloud is suitable for businesses, educational institutions, and privacy-conscious individuals who require a reliable and secure cloud storage solution. With cross-platform mobile and desktop apps, users can access their data anytime, anywhere. Pricing varies based on the deployment model, with options for both free and enterprise-level support. By hosting data within the EU, Nextcloud ensures compliance with stringent data protection regulations, offering peace of mind to its users.

Koofr

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Koofr

Koofr is a safe, reliable, and user-friendly file hosting service from Slovenia with open-source, zero-knowledge encryption Koofr Vault add-on.

Internxt

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Internxt

Internxt is a European cloud storage service that prioritizes privacy and security, offering a robust platform for storing and sharing files with peace of mind. Utilizing end-to-end encryption, Internxt ensures that your files remain confidential, accessible only to you, and never shared with third parties. The service is fully GDPR compliant, with data centers located within the EU, providing users with the assurance of data sovereignty and adherence to strict privacy regulations. Key features include zero-knowledge file access, meaning even Internxt cannot view your files, and cross-platform file synchronization, allowing seamless access across multiple devices. Users can securely share files through encrypted links and benefit from version history to track changes. Internxt is ideal for individuals and businesses that value privacy and need reliable, secure cloud storage. While specific pricing details are not mentioned, Internxt typically offers a range of plans to accommodate different storage needs, ensuring flexibility and affordability. With a focus on privacy and compliance, Internxt stands out as a trustworthy choice for secure cloud storage.

OVHcloud Object Storage

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OVHcloud

OVHcloud Object Storage offers a robust and scalable cloud storage solution designed to meet the needs of businesses and developers across Europe. With S3-compatible API access, it seamlessly integrates with existing workflows, providing a reliable platform for storing and managing large volumes of data. Key features include multi-region data replication, ensuring data availability and resilience, and object versioning support, which allows users to track and manage changes to their data over time. Targeted at enterprises, developers, and IT professionals who require secure and compliant data storage, OVHcloud Object Storage is fully GDPR compliant, ensuring that data handling meets the strict privacy standards of the European Union. Data is encrypted at rest, providing an additional layer of security, and lifecycle management policies help automate data retention and deletion processes. Pricing is based on usage, offering flexibility for businesses of all sizes. By hosting data within the EU, OVHcloud ensures data sovereignty, a critical factor for organizations concerned about data privacy and regulatory compliance.

Aruba Cloud

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Aruba S.p.A.

Founded in 1994 in Ponte San Pietro near Bergamo, Italy, Aruba S.p.A. has grown into one of Italy's largest tech companies and a major European cloud and hosting provider. The company operates proprietary data centers across Italy rated ANSI/TIA-942-C Rating 4 and is a VMware Pinnacle Partner. Unlike hyperscalers like AWS, Aruba emphasizes full European data sovereignty with zero lock-in through open-source and standard architectures.

clever cloud Cellar

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Clever Cloud

Clever Cloud Cellar is a robust cloud storage solution designed to meet the diverse needs of businesses across Europe. It offers scalable object storage, ensuring that your data grows with your business without compromising performance. With multi-region data replication, your information is consistently available and resilient against regional disruptions. The platform is fully GDPR compliant, providing peace of mind with its stringent data handling practices, making it an ideal choice for companies prioritizing data sovereignty and privacy. Clever Cloud Cellar integrates seamlessly with existing systems through its RESTful API, offering flexibility and ease of use. Secure access controls and permissions ensure that only authorized users can access your data, while encryption at rest and in transit safeguards your information from unauthorized access. This service is particularly suited for businesses, IT professionals, and developers who require reliable and secure cloud storage with a focus on European data hosting. Pricing is typically based on storage usage, allowing you to scale costs according to your needs.

cloudscale

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cloudscale

Cloudscale is a robust cloud storage service based in Switzerland, designed to provide secure and efficient data management solutions for businesses and individuals. It offers Swiss virtual private server (VPS) hosting, ensuring that your data is stored within the European Union, benefiting from strict EU data protection regulations and GDPR compliance. This makes Cloudscale an ideal choice for those who prioritize data sovereignty and privacy. Key features of Cloudscale include high-performance storage capabilities, seamless scalability, and a user-friendly interface, allowing users to easily manage their data. The service is particularly suited for businesses, developers, and IT professionals who require reliable and secure cloud storage solutions. With data centers located in Switzerland, Cloudscale guarantees high levels of security and privacy, protecting your data from unauthorized access. Cloudscale operates on a transparent pricing model, allowing users to pay for what they use without hidden fees, making it a cost-effective option for organizations of all sizes. By choosing Cloudscale, users can rest assured that their data is handled with the utmost care and in compliance with European data protection standards.

OVHcloud

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OVHcloud

OVHcloud is a robust cloud storage solution designed to meet the needs of businesses and organizations seeking secure, scalable, and GDPR-compliant data management. With data centers strategically located across Europe, OVHcloud ensures that your data remains within EU borders, providing peace of mind with respect to data sovereignty and compliance with European regulations. Key features include seamless multi-cloud integration, allowing businesses to connect and manage multiple cloud environments efficiently. The platform offers scalable storage solutions to accommodate growing data needs, with API access for automation and streamlined operations. Security is a top priority, with built-in DDoS protection and customizable backup options to safeguard your data. OVHcloud’s high availability architecture ensures that your data is accessible whenever you need it. This service is ideal for European businesses, IT professionals, and organizations that prioritize data privacy and require reliable cloud storage. While specific pricing details are not mentioned, OVHcloud typically offers flexible pricing models to suit various business needs, ensuring cost-effectiveness without compromising on quality or security.

Infomaniak Public Cloud

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Infomaniak

Infomaniak Public Cloud is an IaaS platform built on OpenStack, operated by Geneva-based Infomaniak in their own Swiss data centers. It offers virtual machines, object storage (S3-compatible), managed Kubernetes, and load balancers with transparent per-hour pricing. Infomaniak runs its infrastructure on 100% renewable energy and maintains ISO 27001 certification, with all data stored exclusively in Switzerland.

Scaleway Object Storage

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Scaleway

Scaleway Object Storage offers a robust and flexible cloud storage solution designed to meet the needs of businesses and developers across Europe. With S3-compatible API access, it seamlessly integrates with existing workflows, allowing for efficient data management and retrieval. Scaleway's multi-region data replication ensures high availability and durability, while automatic data versioning and lifecycle management policies provide comprehensive data governance. Ideal for organizations prioritizing data privacy and security, Scaleway Object Storage is fully GDPR compliant, ensuring that your data is handled according to strict European regulations. The service offers data encryption at rest, safeguarding your information from unauthorized access. Object tagging further enhances organization, making it easier to manage large datasets. Scaleway Object Storage is particularly suited for businesses operating within the EU or those requiring data sovereignty. Its scalable storage capacity allows users to adjust their storage needs without hassle. While specific pricing details are not provided, Scaleway typically offers competitive and transparent pricing models, allowing businesses to scale efficiently without unexpected costs.

Exoscale Object Storage

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Exoscale

Exoscale Object Storage is a robust, S3-compatible cloud storage solution designed to meet the needs of businesses and developers across Europe. It provides reliable and scalable storage without the complexity of cold storage tiers, ensuring quick and easy access to your data at all times. With data centers located exclusively within the European Union, Exoscale guarantees compliance with GDPR regulations, offering peace of mind regarding data privacy and sovereignty. Key features include seamless integration with existing S3-based applications, making it an ideal choice for businesses looking to leverage their current infrastructure without additional overhead. The service is tailored for developers, IT professionals, and organizations that require secure, scalable, and straightforward object storage solutions. Exoscale's transparent pricing model is based on usage, allowing you to pay only for the storage you need, without hidden fees. This makes it a cost-effective option for businesses of all sizes. With a strong focus on security, Exoscale ensures that your data is protected with robust encryption and access controls, keeping your information safe and compliant with EU standards.