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Tools & Utilities

Kato (Quan Ngo)
Kato (Quan Ngo)
2 min read
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“Good tools don’t replace creativity — they amplify it.”

🧩 My Hosted Tool

draw.katoengineer.com

An Excalidraw-based online whiteboard hosted on my own domain — simple, fast, and perfect for:

  • Sketching data architecture or system diagrams
  • Drawing ERDs, pipelines, or architecture blueprints
  • Collaborative brainstorming for design sessions

Visit the tool here: draw.katoengineer.com

Example diagramExample diagram

🧮 Recommended Tools

dbdiagram.io

A lightweight, cloud-based tool for Entity Relationship Diagram (ERD) and data modeling. Perfect for data architects and engineers who need to:

  • Quickly design database schemas, design as code
  • Export SQL scripts or share live diagrams
  • Document complex models visually

Visit the tool here: dbdiagram.io

Visit the db docs here: OMOP data model

Example ERD for OMOPExample ERD for OMOP

Swagger Editor

The standard tool for API specification and documentation using the OpenAPI standard. Use it to:

  • Define RESTful APIs in YAML or JSON
  • Preview API documentation instantly
  • Generate SDKs or API clients automatically

🧠 Why These Tools Matter

As a Data Architect, my daily work involves connecting systems, schemas, and stories. These tools help bridge those worlds — making architecture more visual, collaborative, and consistent.

© 2025 Kato (Quan Ngo) — Simplifying architecture through better tools.

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