darrinb

Easily include raw markup languages (HTML, CSS, PHP, etc.) in comments using custom quicktags. No need to encode, the filter does it for you. Creates convenient “encode” buttons for comment authors in the HTML editor.
Also adds basic quicktag buttons on the comment forms, using the Quicktag API built into WordPress (as of 3.3).

WP Comment Encode

.fay

Encode emails to avoid spams. Template to use [@encode@ email=”ilove@gmail.com” display=”Gmail Lover”]
The encoded result (kind of <a href=”mailto:&#105&#108ў&#046com”>Gmail Lover</a>) is made undetectable by bad bots but still readable for browsers
See screenshots for more details.

WP Emails Encoder

Encode emails to avoid spams. Template to use [@encode@ email="ilove@gmail.com" display="Gmail Lover"]

WP Comment Encode vs WP Emails Encoder