emailchemy

Install command: 
brew install --cask emailchemy

Name: Emailchemy

Email migration, conversion and archival software

https://weirdkid.com/emailchemy/

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

Cask code: emailchemy.rb on GitHub

Current version: 14.6

Current version requires: macOS >= 10.11

emailchemy 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)
emailchemy 7
Installs (90 days)
emailchemy 15
Installs (365 days)
emailchemy 55
Fork me on GitHub