Captchas and anti-spam Gems

#Total RankDaily RankNameSummary
1612727recaptchaHelpers for the reCAPTCHA API
21,1401,598invisible_captchaUnobtrusive, flexible and complete spam protection for Rails applications using honeypo...
32,3112,269voight_kampffVoight-Kampff detects bots, spiders, crawlers and replicants
44,8725,555rakismetRakismet is the easiest way to integrate Akismet or TypePad's AntiSpam into your Rails ...