Shellbot

Posts by Category lets you display a list of posts pulled from a particular category or tag, and optionally 
group them by year, month or first letter of the post title.
Current features include:
<ul>
<li>Set a title to be displayed above list of posts</li>
<li>Shortcode allows post list to be inserted anywhere</li>
<li>Limit how many posts should be displayed</li>
<li>Group posts by year, month or first letter</li>
</ul>
Usage
To display the list of posts, add the following shortcode to your post or page.
Default settings:
<pre><code>[sb_category_posts]
</code></pre>
Custom settings:
<pre><code>[sb_category_posts show="10" cat="3" group_by="year"]
</code></pre>
For full list of parameters see <a href="http://codebyshellbot.com/wordpress-plugins/posts-by-category/" title="Posts by Category" rel="nofollow ugc">the plugin release page</a>

Posts by Category

Display a list of posts from a specific category or tag.

Rene Reimann

This Plugin create a taglist overview page with most important tags to each letter category. This plugin will also create a page for each letter, who display all tags of this letter category.
At the Adminpanel, you can do some setting for this Plugin!
 Sample: 
<pre><code>Tags from A - Z * A Tags o Anfang(3) o Antrag(2) o Apples(2) o Aufbau(1) o Aufmerksamkeit(1) 
* B Tags o Bildschirm(3) o Bestandsaufnahme(1) o Besucher(1) o Blicke(1) o Bitkom(1) 
* C Tags ... </code></pre>
Dieses Plugin erstellt eine Übersichtsseite mit den wichtigsten Tags zu einem Buchstaben. Außerdem erstellt das Plugin zu jedem Buchstaben eine Seite mit allen Tags zum Buchstaben.
Im Adminbereich können diverse Einstellungen für dieses Plugin vorgenommen werden.
 Beispiel: 
<pre><code>Alle Tags von A - Z * A Tags o Anfang(3) o Antrag(2) o Apples(2) o Aufbau(1) o Aufmerksamkeit(1) 
* B Tags o Bildschirm(3) o Bestandsaufnahme(1) o Besucher(1) o Blicke(1) o Bitkom(1) 
* C Tags ... </code></pre>

WP Taglist

This Plugin create a taglist overview page with most important tags to each letter category. This plugin will also create a page for each letter, who  …

Posts by Category vs WP Taglist