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Self-hosted File Transfer - Object Storage & File Servers software (2026)

[Object storage](https://en.wikipedia.org/wiki/Object_storage) is a computer data storage that manages data as objects, as opposed to other storage architectures like file systems which manages data as a file hierarchy, and block storage which manages data as blocks within sectors and tracks.

5 open-source apps · all free & self-hostable

GarageHQ source

Geo-distributed, S3‑compatible storage service that can fulfill many needs.

AGPL-3.0Docker/Rust

Harbor source

Cloud native image registry that stores, signs, and scans content.

Apache-2.0Docker/K8S

SeaweedFS

SeaweedFS is an open source distributed file system supporting WebDAV, S3 API, FUSE mount, HDFS, etc, optimized for lots of small files, and easy to add capacity.

Apache-2.0Go

Zenko CloudServer source

Zenko CloudServer, an open-source implementation of a server handling the Amazon S3 protocol.

Apache-2.0Docker/Nodejs

ZOT OCI Registry source

A production-ready vendor-neutral OCI-native container image registry.

Apache-2.0Go/Docker