Documentation tool for your architecture.
Document domains, services and messages, powered by markdown.
A single source of truth for your teams and business stakeholders.

Speed up delivery with architecture documentation
No more searching through code to find information
Document your domains, services and messages.
Reduce the time it takes to find the information you need.
Search or ask your Catalog
Assign ownership to your resources, quickly search or ask your Catalog (with EventCatalog Chat) the information you need.

Automate documentation
Use your OpenAPI, AsyncAPI or Brokers to automatically generate documentation for your domains, services and messages.
Built for developers, architects and business stakeholders
Provide everyone with a unified view of your architecture and business. Document your domains, services, messages and business processes.
Extend your documentation
Custom Documentation
Using custom components, you can document anything.
Custom sidebar
Configure how you want to display your documentation.
Assign owners
Assign owners to your documentation, making it easier to get the information you need.
Components
Use EventCatalog components to enrich your documentation.
Automate documentation
Start for free
Document and govern your architecture with EventCatalog.
Self hosting documentation and governance for your organization.