Opportunities move across a board through the stages of a pipeline; the default stages are lead, qualified, proposal, won and lost, and an owner or admin can change them or add pipelines. You can import records from a CSV file and export them to CSV. It runs in the HawkOpen dashboard, next to the mailboxes you connected, rather than inside Gmail or Outlook.
It is not a full sales platform: there is no automated email sequence and no ready-made link to other CRMs. On Free, the add-on trial needs a card at the start and allows up to 1,000 contacts; the paid add-on allows up to 5,000, Pro up to 25,000 and Business up to 250,000. You can cancel at any time; after that the CRM is read-only and can be exported for 90 days, then its data is deleted.