Automattic

INN Labs

This WordPress plugin gives site administrators a way to insert widgets such as ads, newsletter signups, or calls to action into posts at set intervals.
The plugin registers a configurable number of widget areas.
The plugin can programmatically insert these widget areas into posts when the page is rendered. This setting can be overridden on a per-post basis via a post meta box or a filter.
If the programmatic insertion doesn’t work for a particular post, users can choose to place specific widget areas at specific spots in the post using shortcodes or blocks.

Super Cool Ad Inserter Plugin

This plugin enables the insertion of widget areas in your post's content via programmatic insertion at display time, via a shortcode, or via bloc …

cottonspace

Easy to create a affiliate products page of affiliate services in Japan.
Simply by writing a short code, a shopping mall will be created on your site.
This plugin is only support affiliate services of Japan.
<a href="http://www.csync.net/wp-plugin/cs-shop/cs-shop-readme/" rel="nofollow ugc">Description in Japanese is here.</a>
<h3>Shortcode Example</h3>
Show the products which have the keyword ‘foo’ automatically.
<pre><code>[csshop service="rakuten" keyword="foo"]

[csshop service="amazon" keyword="foo"]

[csshop service="yahoo" keyword="foo"]

[csshop service="linkshare" keyword="foo"]

[csshop service="valuecommerce" keyword="foo"]
</code></pre>
Show the products of specified category automatically.
<pre><code>[csshop service="rakuten" category="100026"]

[csshop service="amazon" category="Electronics"]

[csshop service="yahoo" category="2505"]

[csshop service="linkshare" category="Electronics"]

[csshop service="valuecommerce" category="electronics"]
</code></pre>

CS Shop

Easy to create a affiliate products page of affiliate services in Japan.

Super Cool Ad Inserter Plugin vs CS Shop