Winbox-mac 3.40 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.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this free software for Mac is Oliver Pekár. The program belongs to System Tools.
From the developer:
Winbox-mac is a MikroTik Winbox bundled into macOS app with Wine. Wine was cleaned up of 32-bit files. MAC telnet is used to provide access to a router that has no IP address set. It works just like IP telnet. MAC telnet is possible between two MikroTik RouterOS routers only.
You may want to check out more Mac applications, such as Mikrotik WinBox App or TikTool, which might be similar to Winbox-mac.