A mailing list addon that lets you alter the existing contacts and easily add new ones.

Organize contacts through powerful CRM​
HubSpot is a JetFormBuilder addon that lets you connect to HubSpot’s free CRM platform. Add new and manage the existing contacts, monitor companies, leads, and contact owners. HubSpot Addon is indispensable when it comes to event registrations, subscriptions to the fanbase, paid offers promotion, newsletters with exclusive content, ordering goods online, and so on. You can achieve any business objectives through wise email marketing.