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docs/10-company-information/10-portfolio.md

Summary

Maintainability
Test Coverage
---
title: Portfolio
description: sinProject Inc. is an software development company in Osaka, Japan. We primarily use SvelteKit and TypeScript, but also work with other programming languages and frameworks.
---

## sinpro.dev

[sinpro.dev](https://sinpro.dev/) is our showcase website, similar to a concept car. It introduces what kind of work we are producing and the policies under which we produce our products.

<div class="labels">
    <span class="label">HTML</span>
    <span class="label">CSS</span>
    <span class="label">Markdown</span>
    <span class="label">JavaScript</span>
    <span class="label">TypeScript</span>
    <span class="label">Svelte</span>
    <span class="label">SvelteKit</span>
    <span class="label">Tailwind CSS</span>
    <span class="label">Node.js</span>
    <span class="label">PM2</span>
    <span class="label">Caddy</span>
    <span class="label">Linux</span>
    <span class="label">VPS</span>
    <span class="label">Vitest</span>
    <span class="label">Playwright</span>
    <span class="label">Prettier</span>
    <span class="label">ESLint</span>
</div>

## Talk

[Talk](https://talk.sinpro.dev/) is an app for conversing in real time with people who speak different languages. You can learn languages in addition to also having conversations through both voice and text.

- [Talk - Docs](./talk)

<div class="labels">
    <span class="label">HTML</span>
    <span class="label">CSS</span>
    <span class="label">JavaScript</span>
    <span class="label">TypeScript</span>
    <span class="label">Svelte</span>
    <span class="label">SvelteKit</span>
    <span class="label">Tailwind CSS</span>
    <span class="label">Google Cloud Translation</span>
    <span class="label">Google Cloud Text-to-Speech</span>
    <span class="label">MySQL</span>
    <span class="label">Prisma</span>
    <span class="label">Redis</span>
    <span class="label">WebSocket</span>
    <span class="label">Node.js</span>
    <span class="label">PM2</span>
    <span class="label">Caddy</span>
    <span class="label">Linux</span>
    <span class="label">VPS</span>
    <span class="label">Vitest</span>
    <span class="label">Playwright</span>
    <span class="label">Prettier</span>
    <span class="label">ESLint</span>
</div>

## Mill Test Report Search Engine

A project in which we transitioned a B2B Windows application to a web application. Implemented features such as data search, quotation, and PDF output.

<div class="labels">
    <span class="label">HTML</span>
    <span class="label">CSS</span>
    <span class="label">JavaScript</span>
    <span class="label">TypeScript</span>
    <span class="label">Svelte</span>
    <span class="label">SvelteKit</span>
    <span class="label">MySQL</span>
    <span class="label">SQLite</span>
    <span class="label">Node.js</span>
    <span class="label">VPS</span>
    <span class="label">Playwright</span>
    <span class="label">Prettier</span>
    <span class="label">ESLint</span>
</div>

## Web-based Sales Management System

A project in which we replaced a sales management system created with Access with a modern web application.

<div class="labels">
    <span class="label">HTML</span>
    <span class="label">CSS</span>
    <span class="label">JavaScript</span>
    <span class="label">TypeScript</span>
    <span class="label">Java</span>
    <span class="label">Spring Boot</span>
    <span class="label">Thymeleaf</span>
    <span class="label">jQuery</span>
    <span class="label">JPA</span>
    <span class="label">Bootstrap</span>
    <span class="label">MySQL</span>
    <span class="label">Node.js</span>
    <span class="label">Amazon EC2</span>
    <span class="label">Amazon S3</span>
    <span class="label">Playwright</span>
    <span class="label">Prettier</span>
    <span class="label">ESLint</span>
</div>

## Quality manager for mobile applications

We reviewed iOS apps created with Swift and Android apps created with Kotlin from design, UI, and code perspectives, ensuring quality.

<div class="labels">
    <span class="label">Swift</span>
    <span class="label">Kotlin</span>
    <span class="label">API</span>
    <span class="label">iOS</span>
    <span class="label">Android</span>
    <span class="label">App Store</span>
    <span class="label">Google Play</span>
    <span class="label">TestFlight</span>
    <span class="label">DeployGate</span>
</div>

## Tweecha / Txiicha / Tweecha2

Tweecha, Txiicha, and Tweecha2 were unofficial Twitter clients designed to enhance the Twitter experience. They offered various features such as saving images and videos, simultaneous retweeting and liking, as well as customizable color themes. Thanks to these features and custom elements, they held the top spot in the popularity charts for Android Twitter clients for three years. However, due to changes in Twitter's policies, these apps are no longer functional.

<iframe loading="lazy" class="youtube" src="https://www.youtube.com/embed/tc7iMadvs2M" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>

<div class="labels">
    <span class="label">Java</span>
    <span class="label">Kotlin</span>
    <span class="label">Flutter</span>
    <span class="label">Dart</span>
    <span class="label">Twitter API</span>
    <span class="label">SQLite</span>
    <span class="label">Realm</span>
    <span class="label">Firebase Analytics</span>
    <span class="label">Firebase Crashlytics</span>
    <span class="label">AdMob</span>
    <span class="label">Android</span>
    <span class="label">iOS</span>
    <span class="label">Google Play</span>
    <span class="label">App Store</span>
</div>

## Simple Web Apps

We made several simple web apps with SvelteKit.

- [Sound Pads](https://sinproject.net/teams/sound-pads-2/)
- [Renda Attack](https://sinproject.net/teams/renda_attack/)
- [BEST LAP](https://sinproject.net/teams/best_lap/)

<div class="labels">
    <span class="label">HTML</span>
    <span class="label">CSS</span>
    <span class="label">Markdown</span>
    <span class="label">JavaScript</span>
    <span class="label">TypeScript</span>
    <span class="label">Svelte</span>
    <span class="label">SvelteKit</span>
    <span class="label">Prettier</span>
    <span class="label">ESLint</span>
</div>

## [sinProject Menu](https://sinproject.net/menu/)

A web application used for easily creating menus for restaurants. It can also be used by businesses other than restaurants, such as personal portfolios.

<div class="labels">
    <span class="label">Vue.js</span>
    <span class="label">Nuxt.js</span>
    <span class="label">Vercel</span>
    <span class="label">Flutter</span>
    <span class="label">Dart</span>
</div>

## Rolling Jewels

A game where you tilt your mobile device to roll the ball and aim for a high score.

<iframe loading="lazy" class="youtube" src="https://www.youtube.com/embed/fSMeioI9aRk" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>

<div class="labels">
    <span class="label">C#</span>
    <span class="label">Unity</span>
    <span class="label">AdMob</span>
    <span class="label">Android</span>
    <span class="label">iOS</span>
    <span class="label">Google Play</span>
    <span class="label">App Store</span>
</div>

## Simple Web Games

We made several simple web games with Flutter.

- [Note Master](https://sinproject.net/teams/note-master/#/)
- [Fruity Quiz](https://sinproject.net/teams/fruity-quiz/#/)
- [Dino Master](https://sinproject.net/teams/dino-master/#/)
- [Todofuken Master](https://sinproject.net/teams/todofuken-master/#/)
- [Addition](https://sinproject.net/teams/addition/#/)
- [Kokki Clicker](https://sinproject.net/teams/kokki-clicker/#/)
- [Color Clicker](https://sinproject.net/teams/color-clicker/#/)

<div class="labels">
    <span class="label">Flutter</span>
    <span class="label">Dart</span>
    <span class="label">NIFCLOUD mobile backend</span>
</div>

## sinproject.net

Our company website created with WordPress.

<div class="labels">
    <span class="label">WordPress</span>
    <span class="label">AdSense</span>
    <span class="label">Elementor</span>
    <span class="label">Duplicator</span>
    <span class="label">GDPR</span>
</div>

## Medical Imaging Management System

This system allows centralized management of images from medical examinations from all facilities over the network from the operating room, providing comprehensive support for improving the productivity of radiological technologists’ imaging operations.

We also improved operability and performance in later upgrades.

<div class="labels">
    <span class="label">C#</span>
    <span class="label">.NET Framework</span>
    <span class="label">SQL Server</span>
    <span class="label">Windows</span>
    <span class="label">DICOM</span>
    <span class="label">PACS</span>
</div>

## Class library for .NET Framework

A class library to improve the efficiency of business application development using the .NET Framework.

<div class="labels">
    <span class="label">C#</span>
    <span class="label">VB.NET</span>
    <span class="label">.NET Framework</span>
    <span class="label">Oracle</span>
    <span class="label">SQL Server</span>
    <span class="label">ActiveReports</span>
    <span class="label">SPREAD</span>
    <span class="label">InputMan</span>
</div>

## Sales Management System on Windows

<div class="labels">
    <span class="label">VB.NET</span>
    <span class="label">.NET Framework</span>
    <span class="label">Oracle</span>
    <span class="label">ActiveReports</span>
    <span class="label">SPREAD</span>
    <span class="label">InputMan</span>
</div>

## Used car search web app

A system where general users can search and inquire about the used car data registered by each affiliated store on the website.

<div class="labels">
    <span class="label">VisualBasic 6.0</span>
    <span class="label">ASP</span>
    <span class="label">SQL Server</span>
    <span class="label">Windows NT</span>
</div>