This plugin help you to make accordian of post type, category, tags, taxonomy etc. You can also customize template of this plugin.
Some demo shortcode of this plugin
<ul>
<li>“[dg_accordian post_type=”post” posts_per_page=”3″][/dg_accordian]” is demo shortcode.</li>
<li>“post_type” set post type posts value to this shortcodes.</li>
<li>“posts_per_page” set no of post show from this shortcode.</li>
<li>“category” is also attribute of shortcode</li>
</ul>
You can put all WP_Query arguments to this shortcode.
<h3>A brief Markdown Example</h3>
Ordered list:
<ol>
<li>Post Type Accordian</li>
<li>Category Accordian</li>
<li>Post Per Page Accordian</li>
<li>Multiple Category </li>
<li>All WP_Query Arguments accepts by this plugins</li>
</ol>

DG Accordian

This is accordian shortcode plugin. You can enter all argument of WP_Query to this shortcodes.

Mohsin Rasool

This plugin adds [collapse_group] and [collapse] shortcode to generate twitter bootstrap’s collapse aka accordian.
Usage:
<pre><code>[collapse_group id="optional_group_1" class="optional_class"]
 [collapse title="my heading1" id="optional_id" open="y/n"]some text[/collapse]
 [collapse title="my heading2" id="optional_id" open="y/n"]some text[/collapse]
[/collapse_group]
</code></pre>
See output of this code in Screenshots

Twitter Bootstrap Collapse aka Accordian Shortcode

This plugin adds [collapse_group] and [collapse] shortcode to generate twitter bootstrap's collapse aka accordian.

DG Accordian vs Twitter Bootstrap Collapse aka Accordian Shortcode