Kottster is an open source, self-hosted Node.js admin panel that enables developers to create instant, customizable interfaces for managing database records. It supports databases, allowing users to connect their database and generate admin pages within minutes. It offers features like data viewing with pagination, sorting, filtering, and search capabilities; data management with options to add, edit, and delete records; and automatic detection of table relationships, including one-to-one, one-to-many, and many-to-many associations. Built on a modern tech stack comprising Node.js, React, Remix, Vite, Tailwind, and TypeScript, Kottster provides a smooth development experience. Developers can extend and customize the generated JavaScript and TypeScript code to fit specific project needs. It includes built-in authentication and user management, enabling role assignment, and access control for team collaboration.