marta

Install command: 
brew install --cask marta

Name: Marta File Manager

Extensible two-pane file manager

https://marta.sh/

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

Cask code: marta.rb on GitHub

Current version: 0.8.2

Requirements: macOS >= 11

Analytics:

Installs (30 days)
marta 555
Installs (90 days)
marta 1,621
Installs (365 days)
marta 7,100