HyperPlan 2.10.5 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this Mac application is Oryx Digital Ltd. The application lies within Business Tools, more precisely Project Management. We recommend checking the downloaded files with any free antivirus.
From the developer:
HyperPlan allows you to plan your work and life in an easy-to-understand, visual form. See at a glance what needs doing next. If you have ever planned something by sticking notes to a wall, you pretty much know how to use Hyper Plan already.
You may want to check out more software for Mac, such as FastTrack Schedule, Studiometry or Simple WindowSets, which might be related to HyperPlan.
Mind mapping