Morse Runner is a Windows-based contest simulator developed by Alex Shovkoplyas, VE3NEA. Using Wineskin, it has been successfully and seamlessly run under OSX, and made available here for download. Sure, you could use Wineskin to do this yourself (and save me some bandwidth), or you can pull the ready-made dmg from here.
Running Catalina? Go to 'Download' to read the latest (and grab a box of tissues)

When searching for this file, avoid sites claiming "extra quality" or "free download" from unofficial third-party sources. These are often used as "SEO bait" to distribute:
Files with such obfuscated, non-standard names are common vectors for:
It is a disk image file, often used as the primary hard drive for the Virtual Forwarding Plane (VFP) or Virtual Routing Plane (VRP) in virtual environments. Why Choose Version 14.1R4.8?
Are you planning to deploy this image in , EVE-NG , or a standard KVM environment? Need EOL software image | Training and Certification
Your account must be tied to a registered organization to download "domestic" high-encryption items due to export compliance laws. 2. Juniper vMX Trial Program
When searching for this file, avoid sites claiming "extra quality" or "free download" from unofficial third-party sources. These are often used as "SEO bait" to distribute:
Files with such obfuscated, non-standard names are common vectors for: jinstallvmx141r48domesticimg download extra quality
It is a disk image file, often used as the primary hard drive for the Virtual Forwarding Plane (VFP) or Virtual Routing Plane (VRP) in virtual environments. Why Choose Version 14.1R4.8? When searching for this file, avoid sites claiming
Are you planning to deploy this image in , EVE-NG , or a standard KVM environment? Need EOL software image | Training and Certification When searching for this file
Your account must be tied to a registered organization to download "domestic" high-encryption items due to export compliance laws. 2. Juniper vMX Trial Program
If you have questions or comments about using this application under OSX, please email them to ki4stu k4iz at arrl dot net.