Daschmi

A lightweight plugin to protect email addresses from email-harvesting. Replace all @ in content with (at) and protect the E-Mail adress with javascript. Inspired by TYPO3.

EmailScrambler

A lightweight plugin to protect email addresses from email-harvesting

David Gregg

CCS-HTTPS is a simple plugin that allows you to identify which pages should have HTTPS enforced. All other pages will have HTTP enforced. 
This plug-in will not interfere with or override any of the built-in WordPress options related to forcing HTTPS for the login and admin pages.

CCS-HTTPS

A simple plugin that allows you to identify which pages should have HTTPS enforced. All other pages will have HTTP enforced.

EmailScrambler vs CCS-HTTPS