fsmonitor

Install command:
brew install --cask fsmonitor

Name: FSMonitor

Visualize filesystem changes in realtime

https://fsmonitor.com/

Cask JSON API: /api/cask/fsmonitor.json

Cask code: fsmonitor.rb on GitHub

Current version: 1.2,137

Current version requires: macOS >= 10.11

fsmonitor is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
fsmonitor 13
Installs (90 days)
fsmonitor 44
Installs (365 days)
fsmonitor 156