thinkorswim

Install command: 
brew install --cask thinkorswim

Name: thinkDesktop

Desktop client for TD Ameritrade trading platform

https://www.schwab.com/trading/thinkorswim/desktop

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

Cask code: thinkorswim.rb on GitHub

Current version: latest

Requirements: macOS >= 10.11

Analytics:

Installs (30 days)
thinkorswim 36
Installs (90 days)
thinkorswim 103
Installs (365 days)
thinkorswim 416