Advanced Contact Form Plugin
Uiform – Form Builder
Rocket Form – Form Builder
Azurecurve Comment Validator
Guerrilla's Content Warning
WP-Validate
My Read More
Email Validator
Active Extra Fields
W3C Validation Auto Check
Protected Site
Forms
Alive.io
EP Tools (Eros Pedrini Tools) – Th...
Post-title-validation
RSS Feed Checker
Custom HTML Form
Awebsome! Comment Author Mail Validation
WP-Lightform
Comment Validation Reloaded
Gravity Forms HTML5 Validation
External Linker
Gravity Forms Reject Disposable Emails
Look-See Security Scanner
Validated
Yet Another Ajax Paged Comments (YAAPC)
WooCommerce Email Validation
GuiForm
