GhostText 21.2.21 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. This free Mac application is a product of Federico Brigante. The program lies within Productivity Tools, more precisely Office Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
GhostText lets you use your text editor to write in your browser. Everything you type in the editor will be instantly updated in the browser (and vice versa). The tool supports Sublime Text, VS Code, Emacs, Acme, Vim/Neovim. Each editor also requires its own GhostText extension.
You may want to check out more Mac applications, such as Blurb Tally or Portable AbiWord, which might be related to GhostText.