Anti-Captcha (anti-spam botblocker)
Anti-Captcha is a transparent spam solution that does not require any end-user interaction.
Plugin tag: blocker
Botnet Attack Blocker
This plugin blocks distributed botnet brute-force attacks on your Wordpress installation.
LionScripts: Site Maintenance & Noindex Nofollow Plugin
LionScripts' Site Maintenance & Noindex Nofollow is a very useful Site Maintenance plugin, which provides…
CIDRAM
CIDRAM: A PHP-level CIDR/IP-based firewall solution.
Disposable Email Blocker – GravityForms
Prevent From Submitting Any Disposable/Temporary Emails On GravityForms Forms.
Easy Country Spam Blocker
Easy Country Spam Blocker is a simple plugin that blocks spam traffic from your website.
Disposable Email Blocker – WPForms
Prevent Submitting Spammy Disposable/Temporary Emails On WPForms Contact Form.
Disposable Email Blocker – Contact Form 7
Now You Can Easily Block/Prevent Disposable/Temporary Spam Emails From Submitting on CF7 Form.
Disposable Email Blocker – Ninja Forms
Block Disposable/Temporary Spam Emails On Any Ninja Forms From Submitting.
Country and Continent Blocker
Block ips by country and/or continent.