Show HN: 6cy – Experimental streaming archive format with per-block codecs

Important

6cy is under active development and is not yet stable.

The file format and APIs may change without notice.

Note

This project is intended for benchmarking, research, and ecosystem prototyping.

It is not recommended for production use yet.

Sixcy is a modern, efficient, and robust container format designed for high-performance data storage and transmission. It is built with a focus on streaming efficiency, data recoverability, and flexible compression strategies.

Go to Environmental_preparation.md to view Environmental preparation

The compiled CLI tool will be available at target/release/6cy.

Note

What This Build Provides

The open-source build includes:

Note

What Is NOT Included

Windows run

Note

Before running any commands, make sure you are in this directory

Linux&MacOS run

You will see pack,unpack,list,info,optimize

v0.1.x (current)

Provides the reference implementation of the .6cy container format,

streaming engine, and plugin interface.

This version is intended for:

v0.2.0 (planned)

Will introduce the official runtime package and extended codec support.

If you are looking for a ready-to-use build, please wait for the v0.2.0 release.

This project uses different licenses for the specification and the implementation:

Sixcy - Speed, Safety, and Flexibility in Data Containment.