n8n automation refers to the use of n8n, an open-source workflow automation tool, to connect various applications and services, enabling the creation of custom, automated workflows without extensive coding. It offers a visual interface for designing workflows, supports over 300 integrations, and allows for self-hosting, providing users with flexibility and control over their data. n8n is utilized across diverse domains, including IT operations, marketing, and e-commerce, to automate tasks such as data synchronization, notifications, and process management. Its open-source nature and self-hosting capabilities make it a cost-effective and privacy-conscious alternative to proprietary automation platforms.