gdisk

Install command: 
brew install --cask gdisk

Name: GPT fdisk

Disk partitioning tool

https://sourceforge.net/projects/gptfdisk/

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

Cask code: gdisk.rb on GitHub

Current version: 1.0.10

Requirements: macOS >= 10.11

Analytics:

Installs (30 days)
gdisk 347
Installs (90 days)
gdisk 1,046
Installs (365 days)
gdisk 4,417