Kama SpamBlock
Light and invisible method to block auto-spam when spam comment is posted. Pings and trackbacks…
Plugin Tag: spammer
Honeypot Anti-Spam
Protege WordPress del SPAM mediante honeypot.
Anti-spam Reloaded
No spam in comments. No captcha.
Stop-Spam
No spam in comments. No captcha.
Sz Comment Filter
No spam in comments. blocked by Invisible internal token-code with ajax.This is not used CAPTCHA.
WP Spam Protecter
Protuct your blog about spam comments and instantaneously junk messages.