IP-Biter: The Hacker-friendly E-Mail (but not only) Tracking Framework
IP-Biter is an open source, easy to deploy, tracking framework that generate high configurables and uniques tracking images and links to embed in e-mails, sites or chat systems and visualize, in an hacker-friendly dashboard, high detailed reports of the tracked users who visualize the image or open the links.
...and many many more!
Give it a try!
ipb.php?op=dashboard
ipb.php
DirectoryIndex ipb.php
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule ^(configs/|reports/|error.log) - [F]
</IfModule>
Have a look at the DEMO