SeaweedFS is a fast distributed storage system for blobs, objects, files, and data lake, for billions of files! Blob store has O(1) disk seek, cloud tiering. Filer supports Cloud Drive, xDC replication, Kubernetes, POSIX FUSE mount, S3 API, S3 Gateway, Hadoop, WebDAV, encryption, Erasure Coding. Enterprise version is at seaweedfs.com.

Ceph is a distributed object, block, and file storage platform

A feature complete and high performance multi-group Raft library in Go.

cloud-native distributed storage

An industrial-grade C++ implementation of RAFT consensus algorithm based on brpc, widely used inside Baidu to build highly-available distributed systems.

Ongoing Storj v3 development. Decentralized cloud object storage that is affordable, easy to use, private, and secure.

Bitalostored is a high-performance distributed storage system, core engine based on bitalosdb(self-developed), compatible with Redis protocol.

Pravega - Streaming as a new software defined storage primitive

zenoh unifies data in motion, data in-use, data at rest and computations. It carefully blends traditional pub/sub with geo-distributed storages, queries and computations, while retaining a level of time and space efficiency that is well beyond any of the mainstream stacks.

MooseFS Distributed Storage – Open Source, Petabyte, Fault-Tolerant, Highly Performing, Scalable Network Distributed File System / Software-Defined Storage

The LeoFS Storage System

Raft Java implementation which is simple and easy to understand.

Distributed "massively parallel" SQL query engine

Distributed Storage System for QEMU

DAOS Storage Stack (client libraries, storage engine, control plane)

High-performance Distributed Storage

Awesome list of distributed systems resources

CORTX Community Object Storage is 100% open source object storage uniquely optimized for mass capacity storage devices.

Distributed object storage server from Douban Inc.

😇 A Docker Compose bundle to run on servers with spare CPU, RAM, disk, and bandwidth to help the world. Includes Tor, ArchiveWarrior, BOINC, and more...