n8n is a versatile workflow automation tool that enables users to set up highly customizable automated notifications and reminders without any coding. By integrating with various applications, users can automate tasks such as scheduling email reminders post-meeting, receiving updates on Google Sheets, and getting notifications via Slack or email for new invoices or products added through platforms like WooCommerce. The tool allows users to build workflows using nodes, which can be trigger or regular types, and requires credentials for authenticating integrations. n8n supports diverse scenarios like notifying teams about new products, SMS notifications for custom triggers, and managing user interactions with databases like Notion. The platform offers a free cloud trial and self-hosting options, encouraging users to explore and implement automation tailored to their needs through a drag-and-drop interface.