Hubspot
Hubspot Customer Relationship Management is one of the most unique CRM’s available because it is 100% free. Hubspot promises to maintain being free forever to all current clients and all new clients. Hubspot offers customizable databases where you can keep all your contacts organized without having to store information in spreadsheets and notepads. If you integrate Hubspot with your email address and web browser, it will automatically track every interaction you have with current customers, prospects, and deals. This means you do not have to log anything, it automatically does it for you. Hubspot also offers a unique database for you to research prospects: it tracks over 13 million companies so all you have to do is enter a contact and Hubspot will find your CRM with information about their company. You can start your CRM for free, and keep it free, with Hubspot.