SI CAPTCHA Anti-Spam

Adds Secure Image CAPTCHA on the forms for comments, login, registration, lost password, BuddyPress, bbPress, wpForo, and WooCommerce checkout.


Mike Challis 300,000+ active installs Tested with 4.7.5 Updated 1 week ago

WangGuard

The most advanced protection against sploggers and spam users registration, is fully WordPress,WordPress MU ,BuddyPress and bbPress 2.0 compatible


WangGuard 10,000+ active installs Tested with 4.7.5 Updated 4 months ago

Sucuri Security – Auditing, Malware Scanner and Security Hardening

The Sucuri WordPress Security plugin is a toolset for security integrity monitoring, malware detection, audit logging and security hardening.


Sucuri, Inc 300,000+ active installs Tested with 4.6.6 Updated 8 months ago

BuddyPress Registration Options

Moderate new BuddyPress members and fight BuddyPress spam.


Pluginize 4,000+ active installs Tested with 4.7.5 Updated 2 months ago

Cognito Forms

Create responsive contact forms, order forms, registration forms and more. For free and without ever leaving WordPress.


Cognito Apps 2,000+ active installs Tested with 4.6.6 Updated 6 months ago

iThemes Security (formerly Better WP Security)

iThemes Security is the #1 WordPress Security Plugin


iThemes 800,000+ active installs Tested with 4.7.5 Updated 2 months ago

WordPress Bug Issue Tracking and Project Management Plugin – Software Issue Manager

Software Issue Manager enables development teams to document, analyze, track and prioritize projects and issues.


eMarket Design 100+ active installs Tested with 4.7.5 Updated 3 weeks ago

Constant Contact Forms

The official Constant Contact plugin adds a contact form to your WordPress site to quickly capture information from visitors.


Constant Contact 80,000+ active installs Tested with 4.7.5 Updated 4 weeks ago

Anti-Splog

The ultimate plugin and service to stop and kill splogs in WordPress Multisite and BuddyPress, from WPMU DEV.


WPMU DEV Less than 10 active installs Tested with 4.7.5 Updated 3 months ago