HS5 vs S4Core

Comparing two open source alternatives to MinIO and RustFS . Use the comparison below to decide which one fits your needs.

HS5

LGPL-3.0

High-performance single-node S3-compatible object storage focused on scale-up performance, built in C++.

Apache-2.0

High-performance Rust-based S3-compatible object storage with deduplication, SQL queries, and federation.

	HS5	S4Core
License	LGPL-3.0	Apache-2.0
Self-hostable	Yes	Yes
GitHub Stars	169	431
Forks	4	14
Open Issues	—	2
Last Commit	Jun 21, 2026	Apr 30, 2026
First Released	Feb 19, 2023	Jan 31, 2026
Categories	Object Storage	Object Storage
Tags	#self hosted #cloud storage #s3 #object-storage	#self hosted #cloud storage #s3 #object-storage

Distributed storage system with S3-compatible object storage, POSIX file system, and Iceberg table support for billions of files.

S3-compatible distributed object storage designed for small self-hosted geo-distributed deployments, built in Rust.

S3 gateway that translates S3 API requests to filesystem, Azure Blob, ScoutFS, or other S3 backends.

High-performance S3-compatible object storage built in Rust, 2.3x faster than MinIO with Apache 2.0 licensing.

High-performance S3-compatible object storage written in Swift, designed as a modern open alternative to MinIO.