spreen

This plugin will identify your site with PublishRelay and securely sync posts once authentication is configured. Version 0.5.1 adds automatic redirect to the auth page after activation alongside UUID generation, setup ping, polling for auth, initial full sync, and ongoing publish sync.
<h3>External services</h3>
This plugin connects to the PublishRelay API at <code>app.publishrelay.com</code> to sync your WordPress content with the PublishRelay platform.
What data is sent:
<ul>
<li>Authentication token (UUID): A unique identifier generated during plugin setup, used to authenticate your site with PublishRelay.</li>
<li>Post content: When posts or pages are published or updated, the following data is sent: post ID, title, slug, content, excerpt, status, type, permalink, publish date, modified date, author information (ID, name, email), categories, tags, and featured image URL.</li>
</ul>
When data is sent:
<ul>
<li>During initial setup, to verify site authorization.</li>
<li>When a full sync is triggered (typically once after authorization).</li>
<li>Whenever a post or page is published or updated.</li>
</ul>
Service provider: PublishRelay 
* <a href="https://publishrelay.com/terms" rel="nofollow ugc">Terms of Service</a> 
* <a href="https://publishrelay.com/privacy" rel="nofollow ugc">Privacy Policy</a>

PublishRelay Connector

Connects this WordPress site to PublishRelay.com

evanfen

Channel3 for WooCommerce lets merchants connect their WooCommerce store to Channel3 to enable product catalog synchronization across sales channels.
<h4>External service</h4>
When connected, Channel3 has read-only access to product catalog data (including product names, descriptions, prices, inventory, images, and categories). No customer personal data is shared by this plugin as part of the integration.
Privacy policy: https://trychannel3.com/privacy

Channel3 for WooCommerce

Sync your WooCommerce product catalog to Channel3.

PublishRelay Connector vs Channel3 for WooCommerce