object-storage

MinIO is a high-performance, S3-compatible object storage solution designed for AI/ML workloads. It offers industry-leading performance, scalability, and enterprise features while remaining open source under the AGPL license.

SeaweedFS is a fast distributed storage system for blobs, objects, files, and data lake, optimized for billions of files. It provides O(1) disk seek performance, cloud tiering, and features like POSIX FUSE mount, S3 API, Kubernetes support, and erasure coding.

Ceph is a highly scalable distributed storage system providing object, block, and file storage in a unified platform. It's designed for performance, reliability and scalability from terabytes to exabytes.

OpenStack Swift is a highly available, distributed, eventually consistent object/blob store designed for storing unstructured data at massive scale with strong durability guarantees.

Zenko CloudServer is an open-source Amazon S3-compatible object storage server that provides a unified S3 API interface to access multiple backend storage systems, both on-premise and in public clouds.

LeoFS is a highly available, distributed, replicated eventually consistent object/blob store designed for large-scale systems with high performance and fault tolerance.

Garage is an S3-compatible distributed object storage service designed for self-hosting at small-to-medium scale. It focuses on geo-distributed deployments with data replication across multiple physical locations.