iLogin  

iLogin is a PHP script to allow you to password protect parts of your site. Visitors can only gain access to these pages if they sign up and provide you with certain information about themselves. Some of the information fields (postal address, ICQ and telephone number) are optional - it is up to you, the webmaster, to decide whether you you want to gather this information or not.

Hosting Requirements: Unix, Windows; PHP 4
Database: MySQL
Price: Free

   SZUserMgnt  

SZUserMgnt is a smart User Management System with a complete administration area and many features: Create user - Remove user - Edit user - Password reminder - Activation/ inactivation - Custom unlimited security Levels.

Hosting Requirements: Linux, Win32
Price: Free

   Automated Members Area Designer  

Automated Members Area Designer - is a web-based access control tool. It allows organizing manual and automated user access control to the protected web site areas. You are able to create protected areas, members area and prepare conditions to accept and authenticate new users with email notification and email address validation.

Hosting Requirements: Unix, Win NT/XP
Price: $39

   TWB: Users Manager  

Simple, cheap, plug-in users management script for your database of members.

Hosting Requirements: PHP
Database: MySQL
Price: Free

   Simple Member  

Simple Member allows you to put up that much needed protective area on your web site where you don't want anyone snooping without first signing up.

Hosting Requirements: PHP 4
Database: MySQL
Price: Free

   Enterprise Membership Manager  

Features: Complete Member, Website Access, and Mailing List Management. Create Unlimited 'Subscriptions' That Can Be Either Free or Premium to Join. Automated Security Management. Ability to Setup 'Wholesale' Memberships to Sell to Membership Resellers. Versatile Design for Easy Integration With Almost ANY Payment Processor. Complete Web Based Admin Control Center. Fully customizable html templates to match the look and feel of your site.

Hosting Requirements: *nix; PHP
Database: MySQL
Price: $197

   PhpMyAuth  

Password Protect Information on your pages...only authorized users which you grant access from the admin panel will be able to view the information....

Hosting Requirements: Unix/Linux, Windows NT/2000
Price: $15

   geeeekMember  

geeeekMember makes managing your membership-base a breeze. Automatic username/password creation, activation and deactivation of accounts, multiple membership types and plenty of other time-saving features make this software the obvious choice for your subscription selling website.

Hosting Requirements: Unix/Linux; PHP; Paypal Account
Database: MySQL
Price: $29.95

   cmsMerchant  

With cmsMerchant v2.0.1 you will be able to sell Digital Products, Tangible Goods, Services, Let Visitors Make Donations, Charge Recurring Membership Fee's and in a nutshell secure content on your PostNuke or MD-Pro website. Using cmsMerchant you will be able to offer your products and services with the peace of mind knowing that if the user has not paid then they will not be able to access your content.

Database: MySQL
Price: $39

   PHP.Verify  

PHP.Verify was developed for Internet Marketers, Software Developers, eBook Authors and Master Resellers who need a way to manage members, licensing, affiliate programs, products and product distribution in one secure system. PHP.Verify includes a unique built in Reseller Verification System (RVS). This will allow you to give your members a seal to place on their website that links directly with your database. When this seal is clicked, it will display the resellers name, products authorized to sell, URL's authorized to sell on and whether the user is a valid reseller or not. 2Checkout/Paypal Integration.

Hosting Requirements: Unix
Price: $109.97