Okamoto Hidetaka

This plugin gives you Related Item Widget and function.
If you want to show Related Item List, you can do following actions:
<ul>
<li>Add <code>Elasticommerce Related Widgets</code> in your widgets area.</li>
<li>Add <code>escr_related_item();</code> function in your theme or plugins.</li>
<li>If you only want to get the data, you can use <code>escr_get_related_item();</code> function.</li>
</ul>
Notice 
This plugin requires WooCommerce Plugin , so please install it. If WooCommerce Plugin is not installed or activated, this plugin will not work.
Required 
This Plugin cannot use Elasticsearch version 2.x. Please use Elasticsearch version 1.5 instead.

Elasticommerce Related Items

You can get good Related Item List powered by Elasticsearch.

ownego

Unsupported Browser Notification is the best solution for the modern website which does not compatible with the old browsers of user.
<ul>
<li>Easy to use</li>
<li>Display notification when the browser of user does not support for your website</li>
<li>Allow you to select the browser versions which support for your website</li>
<li>Easily customize the notification message and display options</li>
</ul>

Unsupported Browser Notification

This plugin allow your website display a browser update notification when the browser of customer does not support for your website.

Elasticommerce Related Items vs Unsupported Browser Notification