Block Spam By Math Reloaded

This plugin protects your WordPress and Buddypress login, comments, and new user/new blog signup process against spambots with a simple math question.

James Pegram 3,000+ active installs Tested with 3.3.2 Updated 4 years ago

Spam Free WordPress

Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.

Todd Lahman, LLC 50,000+ active installs Tested with 4.4.9 Updated 2 years ago

WP Statistics

Complete statistics for your WordPress site.

Greg Ross & Mostafa Soufi 300,000+ active installs Tested with 4.7.4 Updated 2 days ago

SiteBrains Interactive Spam Blocker

SiteBrains blocks spam posts using a completely configurable set of rules.
Both interactively as the user types and on our servers upon submission.

SiteBrains 100+ active installs Tested with 3.2.1 Updated 5 years ago