Microsoft Outlook is a personal information manager that provides email, calendar, and contact management functionalities. It is widely used as an email application for businesses and individuals.

Formstack is a data management solution that helps users collect information through various types of online forms, including surveys, job applications, event registrations, and payment forms.

Mailchimp is a marketing automation platform and an email marketing service and a trading name of its operator, Rocket Science Group, an American company founded in 2001. Mailchimp began as a paid service and added a freemium option in 2009.