iContact is a very popular email marketing / marketing automation platform. iContact has a very intuitive design and layout, making it very easy for businesses to design and deploy their own email campaigns. iContact comes with two different products; their basic email marketing platform, and their Pro Automation version of the product. 

With DirectIQ's rich features and intuitive user interface, you can easily load email contacts, pick a template, and send out email campaigns in just a matter of minutes.

G-Lock EasyMail7 is a very popular mass email software designed to help you to send information about your products or services to a large number of people quickly and efficiently. EasyMail7 is packed with features that are different from competitor's mass email software in the market.

Elastic Email is an all-in-one email delivery platform. We offer an SMTP Relay, robust HTTP API, and a User Interface that has a complete suite of tools and features for managing contacts, templates, campaigns, and reports.

ConvertKit is an email marketing automation and lead generation platform designed for content creators. As an example, course creators, YouTubers, podcasters, bloggers and other business owners who create and regularly share their content. The platform provides automated email marketing with drag-n-drop email sequences, workflow automation rules, landing page templates, custom opt-in forms, and more.

Gmass is an email marketing plugin for Gmail. Gmass.co offers a great Gmail add-on, however the experience may lack of simplicity and the price is overall quite expensive. A Gmass footer is included by default in the free version of Gmass, which may denature your email campaigns.

Drive your business with email marketing and automation. Taximail is a powerful and reliable digital marketing and automation platform for your business.

CleverReach is an international e-mail marketing company. With their cloud-based solution they help companies around the world with the creation, mailing and analysis of e-mail marketing campaigns.

GetResponse is a complete online marketing solution. It provides turnkey newsletter publishing and hosting features, as well as unlimited follow-up autoresponders, landing pages, webinars, marketing automation, and CRM to deliver information to your contacts and convert them to paying customers. Through responsible and fully automated list hygiene, anti-spam practices, and established relationships with major Internet service providers and email service providers, GetResponse prides itself on the highest possible email deliverability to ensure that your messages get through to your prospective customers.

AcyMailing is a reliable Newsletter and email marketing extension for Joomla.