Email marketing software that enables you to create, target, deliver, track and manage permission-based email marketing communication.

Email marketing is directly marketing a commercial message to a group of people using electronic mail email. wikipedia.org

Salesforce.com Inc. is a global cloud computing company headquartered in San Francisco, California. wikipedia.org

"Marketing automation refers to software platforms and technologies designed for marketing departments and organizations to more effectively market on multiple channels online (such as email, social media, websites, etc.) and automate repetitive tasks. Marketing departments, consultants and part-time marketing employees benefit by specifying criteria and outcomes for tasks and processes which are then interpreted, stored and executed by software." wikipedia.org

"Marketo is a Marketing Automation solution encompassing B2B marketing & lead management, Email & campaign management, Personalization across channels and marketing Budget & calendar Plan." wikipedia.org

Business Marketing is the practice of individuals, or organizations, including commercial businesses, governments and institutions, facilitating the sale of their products or services to other companies or organizations that in turn resell them, use them as components in products or services... wikipedia.org

Pardot is a business-to-business marketing automation software. wikipedia.org

Sharpspring is a marketing automation software.