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

Current version requires: macOS >= 10.11

Analytics:

Installs (30 days)
openkey 95
Installs (90 days)
openkey 282
Installs (365 days)
openkey 1,130