Agnel Waghela

This plugin will add buttons to TinyMCE Visual Editor which when clicked will append shortcode where the cursor is placed in the Editor. 
You can customize the settings from Shortcode Collection Dashboard ->Settings. 
It reduces your burden of remembering all the shortcodes. 
Also if You have More shortcode already active in the blog, then Shortcode collection Plugin comes with a dashboard widget and a 
Post Editor Meta box which gives you a list of all the active shortcodes form your blog. 
Also there comes settings to disable them if they are no more helpful to you.
Features
<ul>
<li>Buttons to add shortcodes.</li>
<li>No need of remembering the shortocdes.</li>
<li>Customize which shortcode you like to use.</li>
<li>A Dashboard Widget Listings all the active Shortcodes.</li>
<li>A Meta Box in the post-page Editor which does the same as Dashboard widget.</li>
</ul>
Just checkout the screenshot then you might understand what this plugin all about. 
If this plugin works then just click on the works button, this will help mw to know whether it works or not.
<h3>Arbitrary section</h3>
Features
<ol>
<li>Simple settings interface.</li>
<li>Easy to use and useful shortcodes.</li>
<li>Buttons to add shortcodes to your post while editing, so need to remember them because they are all in front of you!</li>
<li>A Dashboard Widget Listings all the active Shortcodes.</li>
<li>A Meta Box in the post-page Editor which does the same as Dashboard widget.</li>
</ol>

Shortcode Collection

Adds buttons to tinyMCE Visual Editor so that no need to remember shortcodes.

tercan

This plugin adding heading buttons (H1, H2, H3, H4, H5, H6) to your TinyMCE visual editor.

WP Heading Buttons

Adding heading buttons (H1, H2, H3, H4, H5, H6) to TinyMCE editor.

Shortcode Collection vs WP Heading Buttons