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Awesome Open Source


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Libre file transfer client for macOS and Windows. Command line interface (CLI) for Linux, macOS and Windows.


  • Java 11 SDK or later
  • Apache Ant 1.10.1 or later
  • Apache Maven 3.5 or later




choco install adoptopenjdk15 maven bonjour -y
choco install visualstudio2019buildtools -y
choco install wixtoolset -y
choco install visualstudio2019-workload-manageddesktopbuildtools --params "--add Microsoft.Net.Component.4.7.TargetingPack" -y
choco install visualstudio2019-workload-netcorebuildtools -y
choco install visualstudio2019-workload-vctools --params "--add Microsoft.VisualStudio.Component.Windows10SDK.17763 --add Microsoft.VisualStudio.Component.VC.v141.x86.x64" -y

Restart your machine after installing these components.

Additional %PATH%:

  • %ProgramFiles(x86)%\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin
  • %ProgramFiles(x86)%\Windows Kits\10\bin\10.0.17763.0\x64


Run mvn verify -DskipTests -DskipSign to build without running any tests and skip codesign.


You will run into warnings from MSBuild/WiX that are unrelated to how Cyberduck is built. You may safely ignore them.



Edit setup/app/Info.plist if you want to debug or setup/pkg/Info.plist if you want to debugduck respectively. Add -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5005 to allow to connect to the running application in your IDE by attaching to the remote JVM.


Due to Visual Studio not being able to handle Java projects it is required to follow these steps for debugging:

  • Run mvn verify -Dconfiguration=debug which ensures that debugging symbols are generated This prevents Visual Studio (or `MSBuild invoked from Maven) from generating optimized assemblies which in turn may prevent debugging.

  • Open the solution in Visual Studio

  • Open a .java file and set a break point. Visual Studio breaks either on or near the line selected.

  • Debugging capabilities include

    • Step Over
    • Step Into
    • Step Out
    • Continue
    • Local/Auto variables
    • Immediate Window

    Go To Symbol is not working due to missing Java support.

Running Tests

After packaging, run mvn test -DskipITs to run unit tests but skip integration tests.

Maven Artifacts (GPL)

Repository Configuration

Maven artifacts are available in a repository hosted on Amazon S3.

  • Use the following Maven configuration in your project POM to reference artifacts from Cyberduck

  • You will need to add the AWS Maven Wagon to your build using



  • Protocol implementations

  • Cocoa Java Bindings (macOS)

  • Implementations (macOS) using Launch Services, SystemConfiguration, Foundation, Keychain and other API


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