The best European alternative to Amazon S3 is Garage. If that doesn't suit you, we've compiled a ranked list of other European Amazon S3 alternatives to help you find a suitable replacement.
Amazon S3 alternatives are mainly Cloud Storage Solutions. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Amazon S3.
This list contains services from companies based in a member state of the European Union (EU), the European Economic Area (EEA) and the European Free Trade Association (EFTA). You can read more about the listing conditions here.
Open-source distributed object storage with S3 API compatibility. Lightweight, resilient design for self-hosting across multiple zones with minimal hardware requirements.

Garage is an open-source distributed object storage service designed specifically for self-hosting environments. Built with resilience and simplicity at its core, Garage replicates each data chunk across 3 zones to ensure maximum redundancy and data protection.
Key advantages:
Perfect for distributed setups where you need reliable object storage without dedicated infrastructure. Garage excels in heterogeneous environments, allowing you to build clusters from available second-hand machines while maintaining high availability.
The project leverages cutting-edge research in distributed systems and has received substantial European Union funding through NGI programs, ensuring continued development and long-term sustainability. Whether you're running a small homelab or managing enterprise infrastructure, Garage provides enterprise-grade storage capabilities with operator-friendly management.