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.

Circle is an online community platform used by creators and business owners to build and engage their communities. It has a wide range of features and tools to help you create spaces, host events, and offer online courses.

Box is a cloud-based file storage and collaboration platform that empowers teams to securely store, manage, and share documents, fostering seamless collaboration and streamlined workflows in a digital workspace.