This is my portfolio.


  • Linter - A simple tool to make it easy to introduce SwiftLint from zero especially for a new project.

  • PackageBuilder - PackageBuilder builds a simple command-line structure by SwiftPM.

  • stodo - Swifty command-line tool for todo list.

  • EsaKit - A Swift framework for the API

iOS App (Personal app including all designs)

Kigen is a Todo list for reminder. It helps you remind of your important tasks.

kigen01 kigen02

Tasky is a quick, cool, simple and intuitive task management application that helps you get stuff done.

taskey01 taskey02

Esafeed is a feed reader for

esafeed01 esafeed02

Motivation from age terrifyingly shows your age.

motivation01 motivation02

Note: The following apps are only Japanese available and not under maintenance for now. (> <)