Colimator is a lightweight, native desktop GUI for managing Colima and Docker containers on macOS. Built with Kotlin Multiplatform and Compose Desktop, it offers a high-performance, resource-efficient alternative to resource-heavy Electron-based solutions.
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VM Management:
- Real-time status tracking of the Colima Virtual Machine.
- One-click Start, Stop, and Restart controls.
- Profile management (switch between different Colima profiles).
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Container Management:
- List active and stopped containers.
- Start, Stop, and Delete containers.
- View container details (Status, Ports, Image, ID).
- Container Inspection: Detailed container info with Overview and raw JSON views.
- Embedded Terminal: Direct shell access into running containers via
docker exec. - Log Streaming: Real-time container log viewing with ANSI color support.
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Image Management:
- List local Docker images.
- Sort images by name or size.
- Delete unused images.
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System Integration:
- Native macOS system tray icon (Control app visibility and quick actions).
- Checks for
colimaanddockerdependencies on startup.
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User Experience:
- Modern Material Design 3 interface.
- Developer-focused Dark Mode.
- Native performance (JVM-based, low RAM overhead).
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Advanced Configuration:
- GUI editor for Colima profile settings (CPU cores, Memory, Disk size).
- Visual feedback during profile start/stop operations.
- Volume Management: List and manage Docker volumes.
Dashboard: Real-time VM status and quick actions
Containers: Manage your Docker containers
Images: View and manage local Docker images
Profiles: Switch between Colima contexts
Info: Detailed container inspection with Overview and Raw JSON views
Logs: Real-time container log streaming with ANSI color support
Shell: Embedded terminal for direct container access
Configuration: Customize CPU, memory, and disk settings for Colima profiles
- Language: Kotlin 2.x
- UI Framework: Compose Multiplatform (Desktop)
- Runtime: JDK 25 (targeting JVM 21 bytecode)
- Build System: Gradle 9.x
- Architecture: MVVM (Model-View-ViewModel)
Before running Colimator, ensure you have the following installed on your macOS system:
- Colima: The container runtime.
brew install colima
- Docker Client: The CLI tool to interact with the runtime.
brew install docker
- Java Development Kit (JDK): JDK 21 or higher is required to run the application.
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Clone the repository:
git clone https://github.com/yourusername/colimator.git cd colimator -
Run the application:
./gradlew run
Note: The first run may take a moment to download dependencies.
To create a standalone .dmg installer for macOS:
./gradlew packageReleaseDmgThe installer will be generated in composeApp/build/compose/binaries/main/dmg/.
composeApp/src/ ├── commonMain/kotlin/com/colimator/ │ ├── App.kt # Main application entry & navigation │ ├── service/ # Business logic & CLI wrappers (ColimaService, DockerService) │ ├── ui/ # Compose UI screens (Dashboard, Containers, Images) │ ├── viewmodel/ # ViewModels for state management │ └── domain/ # Domain models └── desktopMain/kotlin/com/colimator/ ├── main.kt # Desktop entry point └── service/ # Desktop-specific implementations (e.g., JvmShellExecutor) Contributions are welcome! Please follow these steps:
- Fork the repository.
- Create a feature branch (
git checkout -b feature/amazing-feature). - Commit your changes (
git commit -m 'Add some amazing feature'). - Push to the branch (
git push origin feature/amazing-feature). - Open a Pull Request.
This project is licensed under the MIT License
Built with ❤️ for the developer community.







