codejunkie

clikStats is a plugin that automatically detects the current links within each post.
ClikStats is retrofitable, and requires no special provision from any classes or code.
Once activated, clikStats will compile who, when, what data which can be viewed through the back office.
The beauty of this plugin is in its portability, it can be used straight out of the box, and provide usefull visitor information, without the need to reverse engineer your posts.
The latest version now supports, multiple quotation types, invalid markup, uppercase/lowercase markup and hash tags

Clik stats

clikStats is retrofitable pluggin that automatically logs the number of clicks within every post.

intricateweb

Email keep is a WordPress Plugin that will keep a copy of any emails sent by the website. It provides you with the ability to retain those contact attempts that never got delivered to your inbox because of issues with your hosting configuration and or contact form bugs.
For backwards compatibility, if this section is missing, the full length of the short description will be used, and 
Markdown parsed.
Features: 
 1. Capture email messages sent from the front end, admin or both. 
 2. Capture email messages with a specific keyword in the subject to limit the email capture to specific important emails, like anything with “contact” in the subject line. 
 3. Ability to soft delete messages and also restore deleted messages.

Email Keep

An Email capture plugin that keeps a copy of all email sent through your website.

Clik stats vs Email Keep