iqmol

Install command:

brew install --cask iqmol

Name: IQmol

Free open-source molecular editor and visualization package

http://www.iqmol.org/

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

Cask code: iqmol.rb on GitHub

Current version: 3.1.5

Current version requires: macOS >= 10.11

iqmol 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)
`iqmol`	3
Installs (90 days)
`iqmol`	15
Installs (365 days)
`iqmol`	41