SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.
Global
etcd is a distributed reliable key-value store for the most critical data of a distributed system, with a focus on being:
Ceph is a distributed object, block, and file storage platform
JuiceFS is a distributed POSIX file system built on top of Redis and S3.
Rook is an open source cloud-native storage orchestrator for Kubernetes, providing the platform, framework, and support for Ceph storage to natively integrate with Kubernetes.
Apache Hadoop