It's a Sexy and Nice plugin to get reported your site's Problem/Broken Links
Extreme Advanced debugging plugin for seeing the verbose of the verbose debug info. Tech Support, Server Admins, WordPress Developers, Plugin Develop
Replaces wp_mail and sends email the right way so it does not get flagged as SPAM.
Fixes a problem that causes "You don't have permission to do that" errors. It replaces the pluggable check_ajax_referer() with a safe alternative.
Have a technical problem on your WordPress site? This plugin will give the answer. Or at least it tries to help you. :)