Sia - Get Started
Get Started

Software downloads, tutorials, technical walkthroughs, and more.

Core Software

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.

Next-Gen Software

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
Tutorials for developers new to Sia

Technical tutorials for new developers looking to build on Sia.

Learn about the technology behind 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
Companies and projects building on Sia

Sia is a thriving ecosystem of open source software, layer 2 networks, 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

394,581 block height

78,416 online hosts

528 active hosts


6.20 PB total storage

1.88 PB used storage

56,225 M total registry

217 M used registry


20,981 commits

71 contributors

480 forks

43 releases