Download of Cirkus 1.84.1 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free software for Mac OS X was originally produced by Farmers WIFE S.L. The application is included in Productivity Tools.
From the developer:
Cirkus brings clarity to your team projects in a modern native application on your Mac, iOS device, and browser. With this tool, you can manage anything from your shopping list to your most complex professional projects. You can assign a single task to multiple people and track its progress. With roles, you can quickly assign a task to a team. You’ll always have visibility, and your team will know what to do.
You may want to check out more Mac applications, such as DaliClock, MenuCalendarClock Entourage or Chronos, which might be related to Cirkus.