Y.Arakawa

Cotomy started from the need to build and maintain long-lived business web applications with limited resources.
Instead of relying on complex frontend frameworks, it focuses on structural clarity, predictable UI behavior, and practical maintainability.
Through real-world development, recurring issues such as state drift, scattered DOM responsibility, and fragile CSS became clear. Cotomy is an attempt to address these problems by defining clear boundaries between structure, style, and behavior.

C#, .NET (Razor Pages), TypeScript, MySQL
Focused on server-driven UI with structured client-side behavior.
Avoiding unnecessary SPA complexity while maintaining flexibility for dynamic forms and long-lived screens.