Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Whelp - AI-based Omni channel customer support platform with chat bot system (On premise and cloud based)
Mailman 3 - Dedicated Mailman 3 installation. Unlimited lists/configuration. Free subdomain at mailman3.com. Dedicated support for list admins.
Saysimple - Saysimple is a business communication platform that helps small businesses communicate faster and more effectively with their customers.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Myopolis - Myopolis is a business communications platform that uses AI technology to improve the growth of businesses.