Turn your architecture into a story
your teams and AI tools can understand
Stop wrestling with outdated docs and missing schemas. EventCatalog turns your architecture into a living system that actually helps your team ship faster.
End the schema scavenger hunt
Stop digging through Slack threads and stale wikis. Find or ask about any event, service, or domain in seconds β with full context and ownership.
Documentation that stays current
Auto-generate from AsyncAPI and OpenAPI specs, schema registries and more. No more outdated documentation.

Scale without documentation debt
Markdown + MDX + Git = documentation that scales with your team. Enriched documentation powered by markdown.
Empower collaboration across teams
Self-service discovery for everyoneβfrom architects, developers to product managers. Visual diagrams that actually make sense.
Helps engineers find what they need in minutes, not days
Your documentation is scattered, out of date, or missing entirely. Your team spends hours asking questions, re-learning the system, and fixing avoidable bugs. EventCatalog fixes that.
Update docs like you update code
Write and maintain documentation in Markdown or MDXβkeeping it current as your architecture evolves.
See what changed
Track changes to events, schemas, and services over time, just like your code.
AI Integrations
Bring your own models to EventCatalog itself. Connect your architecture documentation to your AI tools.
Works with your stack β Kafka, SNS, EventBridge, whatever
No rip-and-replace. Connects to what you already use.
Grows with you β 10 services or 1000
Grow documentation across teams, projects, and services without losing clarity.
See your entire system at a glance
See the full picture: services, events, and ownership in one connected map.
Documentation that writes itself β so yours is never out of date
Go from documentation to design
You've mapped your services, events, and domains. Now use them to plan new workflows, model changes, and visualize what's next β all inside EventCatalog Studio.
Turn your catalog into a planning tool
Use your architecture primitives as a design tool. Use EventCatalog Studio to design future workflows and ideas.
Map end-to-end flows visually
Model complete business workflows β from trigger to outcome β and store them alongside your documentation

Share designs with your team β stored in Git
Share your designs with your team. Get feedback, and collaborate. You own your designs, and can store them in source control.
Secure by design
Everything in EventCatalog is owned by you. From your documentation to your designs. Perfect for regulated industries and security-conscious teams.
How teams go from chaos to clarity
Architecture shouldnβt end with documentation. With EventCatalog, every decision, diagram, and change fuels a continuous cycle of clarity, design, and evolution.
Document
Create an authoritative source of truth your teams can trust. Capture domains, services, and events once β so knowledge isnβt lost in slides, confluence pages, or tribal memory.
Visualize
Give every team a shared understanding of how the system really works. Turn your architecture into a searchable, explorable map every team can understand.
Design
Design using real architecture - not blank canvases. Reuse your existing architecture to plan changes, discover impact, and evolve safely with EventCatalog Studio.
Join our community
Connect with developers, share ideas, and contribute to the future of event-driven architecture
Join our Discord
Ask questions, get help, and share your ideas with the community. Connect with other developers building event-driven systems.
Open Source
EventCatalog is open source. Explore our codebase, weigh in on RFCs, and contribute on GitHub.
Ready to get started? Try EventCatalog today
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