Pc Man Refer
This script will allow a visitor to your site refer your website to their friend.

Dada Mail
Dada Mail is an intuitive, web-based e-mail list management system, which runs on any hosting account that can execute custom CGI scripts.

SimpList
SimpLISTic Mailing List Manager allows your visitors to add their email address automatically to your email list.

NP Subscriber
NP Subscriber is the best choice for webmasters seeking a powerful mailing list script without an expensive price tag.

Mailmatic
Mailmatic script is a mailing list management system.

Mailing List & News
Mailing List & News is a simple mailing list manager system with ability to send of mass newsletters to subscribers.

ReferralHub
ReferralHub script allow your site visitors to refer your site to their friends.

eRecommend
eRecommend Site allows visitors to send (Recommend) an e-mail message about your site to friends simply by entering the email address (and name optional).

GenieGate
GenieGate::Forwarder script allows your visitors to share links with their friends while increasing your web traffic.

NoMoDoMo
NoMoDoMo allows you to do the management of subscribers email lists in a simple way.

Mail It
MailIt! 99 script allows you to send out professional looking newsletters.

CurbSide
CurbSide is a simple newsletter script with visitors being able to add/remove their email addresses.

Indexsoft
Indexsoft intuitive mailer is a powerful web based mail list manager.

Subscriber
Subscriber Pro provides an easy to use script that helps you with mailing list management.

Automatic
Automatic Mailing List will allow people to automatically subscribe and unsubscribe their e-mail address from your mailing list simply by sending you an e-mail.

Recommend
Recommend Script simply emails up to three people, telling them about your site, along with the user's comments.