Simple Basic Contact Form

A clean, secure, plug-&-play contact form for WordPress.


Jeff Starr 8,000+ active installs Tested with 4.7.4 Updated 5 months ago

Math Comment Spam Protection

Asks the visitor making the comment to answer a simple math question. This is intended…


Michael Woehrer 8,000+ active installs Tested with 3.0.5 Updated 7 years ago

Anti-Captcha (anti-spam botblocker)

Anti-Captcha is a transparent spam solution that does not require any end-user interaction.


Filidor Wiese 8,000+ active installs Tested with 4.0.0 Updated 2 years ago

Simple Trackback Validation

Performs a simple but very effective test on all incoming trackbacks in order to stop…


Michael Woehrer 7,000+ active installs Tested with 2.9.2 Updated 7 years ago

IP Ban

Simple IP Ban is a lightweight ip / user agent ban plugin.


Sandor Kovacs 7,000+ active installs Tested with 4.7.4 Updated 5 months ago

Blackhole for Bad Bots

Protect your site against bad bots by trapping them in a virtual blackhole.


Jeff Starr 4,000+ active installs Tested with 4.7.4 Updated 2 months ago

WP Spam Fighter

Comment spam prevention without moderation, captchas or questions


Henri Benoit 3,000+ active installs Tested with 4.1.17 Updated 2 years ago

Block Spam By Math Reloaded

This plugin protects your WordPress and Buddypress login, comments, and new user/new blog signup process…


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

BuddyPress Security Check

Combat spam registrations for a BuddyPress-powered site using Google's reCAPTCHA


Shea Bunge 2,000+ active installs Tested with 4.7.4 Updated 7 days ago

BuddyPress Captcha

This plugin adds Google's reCAPTCHA form to your BuddyPress' registration page to keep your community…


Hardeep Asrani 2,000+ active installs Tested with 4.1.17 Updated 2 years ago

Spam Master

Spam Master is the Ultimate Spam Protection plugin that blocks new user registrations and post…


TechGasp 2,000+ active installs Tested with 4.7.4 Updated 4 weeks ago

Quiz

Reduces spam and troll comments by requiring commenters to answer a question.


Andy Skelton, Stephen Rider and Mark Jaquith 2,000+ active installs Tested with 4.1.17 Updated 2 years ago