ConvertFox

ConvertFox

Integrated live chat, email marketing, user automation and marketing automation for websites
MailChimp

MailChimp

There are a number of free / freemium email list programs.  For me, Mail Chimp wins due to the freemium offering of a 2000 subscriber list and 12000 emails per month for free being the best of the bunch. I also like the tone of the site.