Sia - Get Started

Software downloads, tutorials, technical walkthroughs, and more.

Binary downloads, documentation, and source code for the latest Sia software.


Built for technical users comfortable with command line interfaces.

Sia UI

Built for users who prefer to work with a graphical user interface.

Binaries (Version 1.5.9)

A tool for conducting escrowless SF<->SC swaps.

New and improved Sia software, developed by the Sia Foundation.


A next-generation Sia renter, developed by the Sia Foundation. Smart defaults and a highly extensible API.

Learn more
Screenshot of renterd

A next-generation Sia host, developed by the Sia Foundation. Built for performance and reliability.

Coming soon
Screenshot of hostd

Sia software built for the Zen Testnet.


Modified for running on the Zen Testnet. Built for technical users comfortable with command line interfaces.

Technical tutorials for new developers looking to build on Sia.

Technical deep-dives from the core team and the ecosystem of developers building technology on top of Sia.

Utreexo in Context
May 8, 2022
You Could Have Invented Skynet
Jan 1, 2021
A Lightweight Wallet for Sia
Jun 1, 2020
One Year of us
May 1, 2020
Files as Capabilities in us
Apr 1, 2020

Sia is a thriving ecosystem of data storage enthusiasts, open source software, and commercial data storage platforms.


S3-compatible object storage powered by blockchain and the Sia network.

Learn more about Filebase

Private and decentralized cloud storage app with encrypted file sharing and media streaming support.

Learn more about Vup

File sharing site that uses the Sia network.

Learn more about PixelDrain

Decentralized CDN and file sharing platform for developers.

Learn more about Skynet

Customizable secure multi-cloud in France. End-to-end encryption. Very high availability. No commitment.

Learn more about Arzen
Sia 101

Learn how the Sia protocol works to power redundant, decentralized, data storage.

Learn more

410,604 block height

84,368 online hosts

437 active hosts


4.90 PB total storage

1.19 PB used storage

19,092 M total registry

183 M used registry


20,991 commits

71 contributors

478 forks

43 releases