In Pictures: 35 open source and free tools to mana...
24. Campaigner Free
Campaigner offers its hosted email marketing solution completely free to lists of fewer than 500 email addresses. You get access to hundreds of email templates, 1 MB of storage and email address management options, including the ability to see who has read your mailing and clicked on the links in your messages.
In Pictures: 35 open source and free tools to manage your online store