LogicGate - The LogicGate platform empowers businesses to build agile enterprise process applications that deliver workflow automation and process efficiency
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
SAI360 - GRC Platforms
Mailman 3 - Dedicated Mailman 3 installation. Unlimited lists/configuration. Free subdomain at mailman3.com. Dedicated support for list admins.
DataGrail - The Age of Privacy requires a new standard of transparency
MailChimp - MailChimp is the best way to design, send, and share email newsletters.