Chaika88

WordPress plugin to create a tree of comments on the basis of standard functions.
Plugin TWC-Templates-WP-Comments loads the template to display the comments instead of the standard WP or regular file comments.php
The plugin has a built-in spam protection, which eliminates the automatic comment spam to 99%. 
With modified AntiSpam for comments in version 0.2

TWC-Templates-WP-Comments

Plugin for creating tree wordpress comments with spam protection and unfolding responses

Adiie9

IP Blacklist Cloud

Blacklist IP Addresses from visiting your WordPress website and Usernames from spamming.  View details of all failed login attempts.

TWC-Templates-WP-Comments vs IP Blacklist Cloud