PRs Visualizer for GitHub

🇬🇧 English | 🇯🇵 日本語

A desktop application for visually understanding the state of open pull requests in GitHub repositories. Inspired by disk space visualizers like WinDirStat and WizTree, it uses a treemap visualization to show at a glance which files and directories are under active development.

🖼️ Screenshot

Note: This screenshot shows a development build UI and may differ from future releases.

🎯 Who Should Use This Tool

For Team Development

• Working with multiple developers simultaneously and want to identify potential conflicts early
• Need to prioritize PR reviews
• Want to understand where active development is happening in the codebase

For AI Agent Users

• Using AI agents to create PRs in parallel and want to monitor their work ranges
• Need to visually assess the impact of numerous PRs to prioritize reviews

For Architecture Improvement

• Frequent conflicts in one area can be a trigger for architecture review
• Want to visually verify if your code is properly modularized and files are appropriately divided

✨ Key Features

• Treemap visualization of file/directory changes across open PRs
• Color-coded by change type (addition, modification, deletion)
• Conflict warnings when multiple PRs touch the same file
• Sidebar to toggle PR visibility individually or filter out drafts

🚀 Getting Started

Prerequisites

• Java 17 or higher installed

Running the Application

macOS / Linux

./gradlew :composeApp:run

Windows

.\gradlew.bat :composeApp:run

🔧 Tech Stack

Built with Kotlin and Compose Multiplatform (Compose for Desktop).

🛠️ Development

Code Style

This project uses ktlint for Kotlin code formatting and style checking, and detekt for static code analysis.

To check code style:

./gradlew ktlintCheck

To automatically format code:

./gradlew ktlintFormat

To run static code analysis:

./gradlew detekt

📦 Pre-built Application Distribution

You can download pre-built applications from the GitHub Releases page:

• Releases

Installers are available for each platform:

• macOS: .dmg file
• Windows: .msi file
• Linux: .deb file

For Developers: Release Process

For details on the release process, see docs/RELEASE.md.

🔗 Documentation

For detailed specifications and design documents, see the docs directory.