FastDFS is an open source high performance distributed file system (DFS). It's major functions include: file storing, file syncing and file accessing, and design for high capacity and load balance. Wechat/Weixin public account (Chinese Language): fastdfs

A simple fast, easy use distributed file system written by golang(similar fastdfs).go-fastdfs 是一个简单的分布式文件系统(私有云存储)，具有无中心、高性能，高可靠，免维护等优点，支持断点续传，分块上传，小文件合并，自动同步，自动修复。

An open source Filecoin client for data that makes it easy to collect, organize, and share data anywhere.

Kertish-dfs is a simple distributed storage platform, implements file storage on a single distributed computer cluster, and provides interfaces for file/folder handling. Kertish-dfs aims primarily for completely distributed operation without a single point of failure, scalable to the exabyte level.

Distributed KV Storage System based on Raft and RocksDB, can be use to store small files, like images.

⛓🖿⛓ A distributed file system on top of a P2P blockchain with both components built from scratch.

partial code snapshot of gfarm source forge svn repository at 2019/03/27

"NameNode" for a sockets based simple distributed file system

Distributed Hash Table implementation using Tapestry algorithm

Distributed File System modeled on Facebook’s Haystack paper store and retrieve images.