WP-AntiSpambot
Engage & Fight Spam
Antispam For All Fields
CheckBot
Picatcha
WP Email Invisibliser
WP-Hashcash Extended
NoMoreCaptchas
Easy Captcha
Yawasp – Yet Another WordPress Ant...
Raven's Antispam
Anti Spam Protection Without CAPTCHA Pow...
Defensio Anti-Spam
FunCaptcha – Anti-Spam CAPTCHA
Good Question
Minteye
No Disposable Email
ReCAPTCHA Form
WP-Hashcash
Spam Destroyer
WP Mailto Links – Protect Email Ad...
WPBruiser {no- Captcha Anti-Spam}
Better WordPress ReCAPTCHA (support Akis...
Math Captcha
Are You A Human – The Fun Spam Blo...
CryptX
Spam Master
ReCaptcha By BestWebSoft
