poppawid is a free, full featured web based email client written in PHP. It is an extension of the now abandoned "popper_mod" project which was an extension of the origional popper. It runs on any server that can run PHP and mySQL. Uses POP
Developer: sourceforge.net Platform: Date upd:2003-10-21 Hits35950 [Download] [Visit]

A simple php script for sending a link of any webpage to visitors friends. Supports multiple emails.
Developer: Scriptsez Inc. Platform: linux, windows Date upd:2006-02-13 Hits2353 [Download] [Visit]

No software to install, Replacement of FTP files transfer, More security files transfter solutions, Large email attachment replacement,Easy to use interface, Access your files anywhere with internet connection, Keep secondary backups of your important files, Enhance your company image
Developer: ecdelivery.com Platform: webbase Date upd:2003-08-18 Hits1727 [Download] [Visit]

The Opt in script is set up as an email distribution list only. Only the administrator can send emails to this list. Includes form script and guide on how to set up Mailman to be a distribution list.
Developer: elouai.com Platform: all (Mailman) Date upd:2004-03-31 Hits1307 [Visit]

If you are using cPanel and you want to add an automated email signup form to your web site that's so easy. You may use this script for free!
Developer: OMID SOFT Platform: Date upd:2005-05-23 Hits3605 [Visit]