Features
Nebulit Event Modeling is an agentic collaborative canvas for designing event-driven and traditionally-structured systems. It combines visual modeling with AI assistance and multi-user collaboration.
Try a live preview
Explore a sample board loaded in read-only in-memory mode — no login required.
Event Modeling Canvas
Drag-and-drop canvas with Events, Commands, Read Models, Automations, Screens, and Model Contexts organized on timelines.
Real-time Collaboration
Multiple users can model together in real time using cloud-backed boards. Changes sync instantly across all connected clients.
AI-Powered Modeling
Describe a business workflow in plain text and let AI generate a complete event model including events, commands, slices, and specifications.
Code Generation
Generate boilerplate code directly from your model. Supports multiple languages and frameworks through configurable code templates.
Multiple Storage Backends
Choose between localStorage, IndexedDB, in-memory, or cloud storage. Switch backends without losing your boards.
Timeline Focus Mode
Zoom into a single timeline for a focused editing experience, then return to the full board view.
Given/When/Then Specs
Attach behavioral specifications to any element. AI can generate scenarios from your model context automatically.
Context Map
Automatic context map generation from Model Context elements on the board showing bounded contexts and their relationships.
Screen Design
Sketch UI mockups for screen elements directly on the canvas using AI-assisted design generation.