Opal is a free and open-source JavaFX application that can play relaxing music in the background.

You can create an executable installer by running the jpackage Gradle task on a Windows host:

./gradlew jpackage

Do note that you will need the WiX Toolset in order to create msi packages.

You can create a portable image by running the jpackageImage Gradle task on a Windows host:

./gradlew jpackageImage

You can create an rpm, by running the jpackage Gradle task on a Linux host:

./gradlew jpackage

Do note that you will need the rpm-build package in order to create an rpm.

You can create an AppImage by executing the AppImage Gradle task on a Linux host:

./gradlew AppImage

Do note that running this task will execute a shell script in order to download and run the appimagetool in order to create the AppImage file.

You can create a portable image by running the jpackageImage Gradle task on a Linux host:

./gradlew jpackageImage

You can create a dmg, by running the jpackage Gradle task on a macOS host:

./gradlew jpackage

You can create a portable image by running the jpackageImage Gradle task on a macOS host:

./gradlew jpackageImage

A couple of dependencies are required in order to build Opal. Some of which require a specific host machine, especially if you're targeting a specific platform and installation method.

The following dependencies are universal:

• JDK21
• JavaFX
• Gradle
• FasterXML/jackson
• badass-jlink-plugin
• Log4j2
• AtlantaFX

In order to build an installer (MSI) of Opal on Windows, you will need:

• WiX Toolset

In order to create an RPM, you will need to have the following package(s) installed:

• rpm-build (dnf install rpm-build)

All audio files have been provided by ZapSplat.

All images have been provided by Remix Icon.

This library is maintained by CodeDead. You can find more about us using the following links:

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