openkey

Install command: 
brew install --cask openkey

Name: OpenKey

Vietnamese input system

https://github.com/tuyenvm/OpenKey/

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

Cask code: openkey.rb on GitHub

Current version: 2.0.5

Requirements: macOS >= 10.11

Analytics:

Installs (30 days)
openkey 101
Installs (90 days)
openkey 290
Installs (365 days)
openkey 1,147