Tentacle – DBML Editor

Tentacle is a visual DBML editor for designing database schemas. Write your schema as code and see it instantly rendered as a clean, interactive diagram. Stay in sync between structure and logic without switching tools. Write DBML. See your database. As you type, Tentacle updates your diagram in real time. Tables, relationships, and enums appear immediately, giving you a clear overview of your schema as it evolves. Understand relationships at a glance Tentacle visualizes your schema using clear relationship notation, making it easy to understand how tables connect. Whether you're working with simple models or complex systems, structure stays readable. Organize complex schemas Group related tables and structure your schema visually. Keep large systems manageable and easy to navigate. Interactive and flexible Rearrange tables, adjust layout, and explore your schema visually. Your layout is saved with your file, so your mental model stays intact. Import and export SQL Already have a schema? Import it from common SQL dialects and start working immediately. Export your DBML back to SQL when you're done. Built for developers Tentacle is designed for developers who prefer working with code, but want a clear visual overview. No accounts, no cloud dependencies — your files stay on your machine.