Anti Spam SMTP Gateway
CIDRAM: Classless Inter-Domain Routing Access Manager.
Mod of the original Faucet-in-a-Box faucet PHP script
A simple PHP-AJAX captcha application
A static source code analyser for vulnerabilities in PHP.
This Plugin provides very simple and powerful captcha for your blog
ASP or PHP Captcha, completly configurable, with prevalidation
Catch-a spammer with a CAPTCHA.
Prevent anonymous users from posting URLs in public notes.
Report spam to SpamCop.