MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Bigtent - BigTent is a web-based organization and communication portal for groups.
MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
Nabble - Nabble is a forum software that are embeddable and fully customizable with scripting language.