Firdaus Zahari

The plugin provides a number of tools to modify the behaviour of outgoing emails from your site. This is particularly useful if you are trying to debug any email issues that are happening.
Features that this plugin offers includes:
<ul>
<li>Automatic rerouting for all outgoing emails to any number of the specified email address.</li>
<li>Logging outgoing emails into the database to be viewed later.</li>
<li>Adding specified email addresses as BCC for all outgoing emails.</li>
</ul>

FS Email Tools

Collection of tools to interact with emails in WordPress including email rerouting, outgoing email logging to the database, and automatic BCC to speci …

wolkenkraft

This plugin integrates the popular Krumo class in you WordPress installation. Krumo helps developers to debug objects 
and variables. It presents debug output in a well formated and structured form.
After Installation simply try to debug some variables like this:
 
For detailed instruction visit my <a href="http://www.wolkenkraft.com/produkte/wordpress-plugins/krumo-debug-plugin" rel="nofollow ugc">wolkenkraft.com Website</a> 
or the <a href="http://krumo.sourceforge.net/" rel="nofollow ugc">Krumo Website</a>

wolkenkraft.com Krumo Debug Plugin

This plugin integrates the great Krumo class in WordPress which allows debugging of objects and variables in a
well formated and structured form.

FS Email Tools vs wolkenkraft.com Krumo Debug Plugin