A PC with Windows 10 and VMware or VirtualBox will also run OVERGantt.
An iCloud account enables automatic collaboration in real-time and off-line between team members.
It supports Mac OSX, iPadOS, iOS, Windows 10 and Android.
Note: MacOS X Catalina, Numbers and iCloud are free from Apple.
So why is it on a Mac? Check out this post on LinkedIn
Upon completing the purchase process, an email will be sent that includes: