Adds Google’s No CAPTCHA reCAPTCHA to bbPress forms.
To protect your Blog from automated spambots, this plugin adds invisible formfields to your comment form.
Vicomi comments is a free comment platform with a new cool, stylish graphic interface that replaces your default WordPress comment system.
Enigma encrypts text on demand and decrypts it on client to avoid your email address and any other sensitive content caught robots.
Star Rating System? voting? so 90's! Say hello to the new Feelbacks vote system! A new emotional rating widget and votes tool
No spam in comments. No captcha.
Help combat spam registrations by forcing the user to answer a simple math sum while registering for your BuddyPress-powered site
Asks commenters to complete a simple CAPTCHA if they don't have a previously approved comment, or if Akismet thinks their comment is spam.
Block bots without annoying captchas. Cache friendly solution with rotating keys! Blocks comment, registration, and bbpress spam. Activate and done!
This plugin adds a reCAPTCHA form to BuddyPress registration form to keep your community spam free.
NURCaptcha inserts a reCAPTCHA on the Register Form of your site to protect it against spambots.
Stop a lot of spambots from polluting your site by making visitors identify a custom word displayed as an image before commenting.
Cognito Forms lets you quickly and easily build awesome forms, surveys and more without ever leaving WordPress.
Adds CAPTCHA anti-spam methods to WordPress on the forms for comments, registration, lost password, login, or all. For WP, WPMU, and BuddyPress.
Text Domain: spam-killer Kills spam dead in its tracks. Be gone evil demon spam!
REPLACEMENT of the original Simple Trackback Validation Plugin from Miachel. Performs a simple but very effective test on all incoming trackbacks in o
Kick spam with a highly advanced email validation in comment forms, user registration and contact forms using Mailgun's Email validation service.
Enhance your Gravity Forms to include anti-spam measures originally based on the work of David Walsh's "Zero Spam" technique.
ZigTrap adds a honey trap to your comments form.
Spam BLIP stops comment spam before it is posted, using DNS blacklists, existing comments marked as spam, and user defined lists.
This is a simple plugin that adds a recaptcha validation to the bbPress 2.0 topic creation and topic reply forum.
Simple IP Ban is a lightweight ip / user agent ban plugin.
The plugin sends an email message when a comment goes to the spam folder.
Zero Spam makes blocking spam comments a cinch. Install, activate and enjoy a spam-free site.
Your user can custom his own password on the registration screen with me.
WP Anti Spam can anti automated spambots or anti spams by"comment","ip","name","email","url".
Very light invisible method to block auto-spam when spam comment is posted. Pings and trackbacks cheks for real backlink.