There are many open source alternatives for eMarketing than paying out hundreds and thousands of dollars. Below is a list of applications which I believe can be potentially be used as email marketing alternatives.

OpenEMM
http://www.openemm.org/

YAP Email Manager
http://www.makisoftware.com/dnn/YAPEmailManager.aspx

Dada Mail - web-based e-mail list management system
http://sourceforge.net/projects/mojomail

phplist - a newsletter manager
http://sourceforge.net/projects/phplist

tellmatic - php and mysql based newsletter script to create, manage and send personalized newsletters or mass mails
http://sourceforge.net/projects/tellmatic

Mailman - a GNU mailing list manager that provides list management features, integrated with a web interface
http://sourceforge.net/projects/mailman
http://wiki.list.org/x/DgAJ

poMMo - mass mailing software
http://sourceforge.net/projects/pommo

If you do require any assistance in installations of the above applications. Feel free to contact me on: asfahaan@tasmanit.com

Lace is a completly free PHP driven tool for live chat on a website. Integrating Lace into your existing design is simple, but you can also use Lace on it’s own, as a simple complete messaging system. Consisting of only the basics, Lace is extremely lightweight, very easy to install, and easy to use Chat client.

http://lacechat.com

Download Lace