Human Pictcha 1.0.5 Human Pictcha is a protection in a form of an image (a captcha), which can be embedded inside your web forms, and which will filter out various forum spam, guestbook spam, form spam, signup spam, password attacks. For PHP and Perl.
Lanapsoft BotDetect ASP CAPTCHA 22.214.171.124 Lanapsoft BotDetect - ASP CAPTCHA is a website security component designed to protect your registration and other online forms from automated spam submissions. It generates CAPTCHA images that easily tell spam bots and humans apart. Sound support.
Web Form Anti-Spam 1.00, Don't Let 'em Any Chance! Spam and other automated and unwanted messages are a pain. The most painful aspect of the problem is that there is no 100% reliable method to fight the spam completely. But the progress is moving on, and today there are some hope-giving approaches; one of them is «do not let spammers know your contacts». But, if spammers cant know them, how can others contact you? The trick is: professional spammers
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