msgfiler

Install command: 
brew install --cask msgfiler

Name: MsgFiler

Keyboard-based email filing application for Apple Mail

https://msgfiler.com/

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

Cask code: msgfiler.rb on GitHub

Current version: 4.3.0.55,20250930,140205

Requirements: macOS >= 13

Analytics:

Installs (30 days)
msgfiler 3
Installs (90 days)
msgfiler 7
Installs (365 days)
msgfiler 16