PassGen
This script will generate a random password based upon the length entered by the user. Great for any site which uses password protected areas, this script can prevent your users from choosing passwords that would be easily guessed. Let them generate one instead! This also a great way to maintain high security standards for your sites or servers password protected areas.
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Sec-Code
This PHP script creates an image with a security code that can be used to protect e.g. your guestboo
G-Encoder
G-Encoder is a PHP script to encode, obfuscate, and compress (only for scripts with above 2kb size).
Beginner Password Script
This is the most simple password protection script. It protects your page using very simple password
Sitelok
Sitelok allows you to password protect and control access to html or PHP pages within your website.
Anti flood
This anti flood code will add a piece of text code on the login form and user will have to copy into