Track Everything makes using Google Analytics on a WordPress site easy. Attach tracking to forms, links, or any CSS selector.

This plugin can be used to add the LeadBoxer tracking code to a Wordpress site

Design and customize email templates, control your SMTP email deliverability, track your emails clicks and openings, and allow defering the emails as a background process to speed up your pages.

Email log for WordPress. Log, search, resend, forward, export, and track wp_mail emails. All features free, no add-ons.