> For the complete documentation index, see [llms.txt](https://qualitax.gitbook.io/interop/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://qualitax.gitbook.io/interop/industry-initiatives/hyperledger-projects.md).

# Hyperledger Projects

## Harmonia

<table data-header-hidden><thead><tr><th width="233"></th><th></th></tr></thead><tbody><tr><td><strong>Initiative Name</strong></td><td>Harmonia</td></tr><tr><td><strong>Organization</strong></td><td>Hyperledger</td></tr><tr><td><strong>Type</strong></td><td>Lab</td></tr><tr><td><strong>Description</strong></td><td>The objective is to share a set of principles, requirements, designs and code samples to inform and facilitate collaboration across the industry. The focus is exclusively on interoperability of regulated blockchain networks.</td></tr><tr><td><strong>Ecosystem</strong></td><td>Agnostic</td></tr><tr><td><strong>Public Participants</strong></td><td><p>R3</p><p>Adhara</p><p>Fnality</p><p>Datachain?</p><p>IBM?</p></td></tr><tr><td><strong>Link</strong></td><td><a href="https://labs.hyperledger.org/labs/harmonia.html">https://labs.hyperledger.org/labs/harmonia.html</a> </td></tr></tbody></table>

<br>

## Cacti

<table data-header-hidden><thead><tr><th width="237"></th><th></th></tr></thead><tbody><tr><td><strong>Initiative Name</strong></td><td>Cacti</td></tr><tr><td><strong>Organization</strong></td><td>Hyperledger</td></tr><tr><td><strong>Type</strong></td><td>Tooling</td></tr><tr><td><strong>Description</strong></td><td><p>A multi-faceted pluggable interoperability framework to link networks built on heterogeneous distributed ledger and blockchain technologies and to run transactions spanning multiple networks.</p><p><br></p><p>Merger of Hyperledger Cactus and Weaver.</p></td></tr><tr><td><strong>Ecosystem</strong></td><td>Agnostic</td></tr><tr><td><strong>Public Participants</strong></td><td><p>Accenture</p><p>Fujitsu</p><p>IBM</p></td></tr><tr><td><strong>Link</strong></td><td><p><a href="https://www.hyperledger.org/use/cacti">https://www.hyperledger.org/use/cacti</a> </p><p><a href="https://github.com/hyperledger/cacti">https://github.com/hyperledger/cacti</a> </p></td></tr></tbody></table>

##

## YUI

<table data-header-hidden><thead><tr><th width="248"></th><th></th></tr></thead><tbody><tr><td><strong>Initiative Name</strong></td><td>YUI</td></tr><tr><td><strong>Organization</strong></td><td>Hyperledger</td></tr><tr><td><strong>Type</strong></td><td>Tooling</td></tr><tr><td><strong>Description</strong></td><td><p>The goal is to achieve interoperability between multiple heterogeneous ledgers. YUI provides modules and middleware for cross-chain communication as well as modules and tools for cross-chain application development, including an explorer to track status and events for cross-chain environments.</p><p><br></p><p>For cross-chain communication, the design of YUI is based on Inter Blockchain Communication (IBC) protocol by Cosmos project, with extensions to support various Hyperledger projects.</p><p><br></p></td></tr><tr><td><strong>Ecosystem</strong></td><td>Agnostic</td></tr><tr><td><strong>Public Participants</strong></td><td>Datachain</td></tr><tr><td><strong>Link</strong></td><td><a href="https://labs.hyperledger.org/labs/yui.html">https://labs.hyperledger.org/labs/yui.html</a> </td></tr></tbody></table>

<br>

\ <br>