Apps similar to Barklarm include CatLight. It's paid, but BuildNotify and CCMenu are free. Other options are AnyStatus and CCTray. In total there are five CI/CD Systems like Barklarm for Windows, Linux and Mac.
CatLight shows build status notifications in your tray on Windows, OS X and Linux. It can get build status from Jenkins, AppVeyor, Travis CI, TFS and VSTS. For Team Foundation Server, Catlight supports new vNext Team Builds, as well as XAML builds.
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AnyStatus is a lightweight desktop application designed to bring you metrics and events from various sources such as local services, network, processes and integration services, including but not limited to TFS, Azure DevOps, Jenkins, AppVeyor, TeamCity and more.
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CCMenu displays the build status of projects on a continuous integration server as an item in the Mac's menu bar.
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