iComplete LE Professional Safelist  

Features: Three types of memberships - Built-In One Click Web-Mailer - Built-In Lost Password Utility - Built-In Advanced Link Tracking - Built-In Support Contact Feature - Built-In Affiliate Program - Built-In Advertiser Links - Credits/Money Earnings for Reading Mail - Ability to Buy Points and more.

Hosting Requirements: Unix/Linux; Perl
Database: MySQL
Price: $59.95

   SQL QuickEmail  

SQL QuickEmail is a subscription management system whereby visitors fill in their e-mail address to join your web site subscription service. Features: Password Protected Adminstrative Web Panel - E-mail Broadcast - Data stored in SQL data table - Sends confirmation e-mails to both subscriber and host (optional) - automatic removal feature.

Hosting Requirements: Unix/Linux, Win32
Database: MySQL
Price: $10

   HiMail DB  

HiMail DB builds a mailing list database on the fly, after automatically Emailing users when they submit their details requesting further information. Features: All the features of HiMail Pro - Users may submit an Email to receive further information regarding a product, service or issue - HiDbMail automatically Emails the user, and builds a database facilitating future mailouts.

Price: £35 GBP

   Acc Subscribe  

Acc Subscribe is an intelligent website mailing software suitable for any website that allows you manage and automate your newsletters, customers mailing lists, back-end sale offers etc. With simple and tight integration, you will quickly see and increase your site's traffic and revenue with an effective campaign through opt-in subscriptions. It combines powerful marketing and relationship tools with advanced personalization and tracking. Script can be easily integrated into your site - You can use any form you like to subscribe users on your mailing lists. Unlimited mailing lists can be created. Supports scheduled newsletters. No timeouts - all critical tasks run in background. Supports unlimited number of attaches, unlimited templates, no size limit, possibility to personalize emails for each user, advanced export and import feature. Easy form creator wizard.

Hosting Requirements: Unix/Linux; Perl 5.005+; Crontab
Database: MySQL
Price: $64.95

   SimpLISTic SQL  

This is a simple, yet very powerful CGI script to manage your e-mailing list. Run multiple lists with one script. Allow your visitors to sign up for either your HTML or Text newsletter. Save your newsletter templates for later use. Email confirmation prevents abuse. Features BCC send method not found in the free version.

Hosting Requirements: Unix/Linux
Price: $24.95

   MCScripts Mailing List  

Feature highlights: Ability to add the "Join our newsletter" box anywhere on your site - List members can opt out at any time online without requiring interaction from the site owner - Site owner can completely manage the list via the online control panel.

Hosting Requirements: Unix/Linux
Price: $49.95

   Subscribe Me Enterprise  

Subscribe Me™ Enterprise is designed to assist you with the building, maintaining, mailing, and tracking of your customer/ prospect mailing lists! Features: Invitation - Proactive List Building system - Multiple List Concurrent Subscription/ Unsubscription - Batch Removal system - Effectiveness Tracking - Mail your mailings using either Sendmail, BLAT, or SMTP - First/Last Name email personalization and more.

Hosting Requirements: Unix/Linux, Windows, Mac
Price: $199

   Automatic E-Mail Follow Up System  

A specialized mailing list program, allow for maintenance of a membership database, giving each member the ability to manage their mailing lists. Features include, timed automated follow up messages, multiple mailing lists, auto responders, plus more.

Hosting Requirements: Unix/Linux
Price: Free

   NewsPro  

NewsPro is a webinterface for sending a newsletter or announcement to a list of email-recipients. In addition with the NewsPro interface users can subscribe or unsubscribe to the newsletter themselves.

Hosting Requirements: Perl; Sendmail
Price: Free (GPL)

   DupeCheck  

DupeCheck will check any list of e-mail addresses and will remove all duplicates. Can run as both a CGI script or a command line tool.

Hosting Requirements: Unix/Linux/FreeBSD
Price: Free