A CRM (Customer Relationship Management) system is a crucial tool for realtors, enabling them to efficiently manage contacts, track leads, automate communication, schedule tasks and appointments, streamline transaction processes, conduct email marketing, analyze performance, and automate repetitive tasks. It serves as a centralized hub for organizing and optimizing their real estate business operations, fostering better client relationships, and ensuring that no lead or follow-up opportunity is missed, ultimately enhancing their effectiveness and service delivery in the real estate industry. Popular options include Hubspot, Wise Agent, and LionDesk.