The DSLogin is very safe login system with email activation. Features include: Admin page with: list users, add user(data, activate, rank), edit user. In the site is a Statistics system(Counter, Membership, Online guests, Online members). 2 rank: Member,
EMC Base Logger in a Powerful IP Logging / Banning tool. This great security software is MySQL driven, meets all PHP 4 / 5 requirements. It easily installs on any Apache Web server or site system. EMC is a simple solution to keeping those unwanted guests
Simple but effective CAPTCHA script, tested on live forum with 200-500 visitors per day - about 4% of spam since CAPTCHA is implemented. Requirements: PHP and GD. Detailed installation instructions on the website.