inkdrop

Install command: 
brew install --cask inkdrop

Name: Inkdrop

https://www.inkdrop.info/

/api/cask/inkdrop.json (JSON API)

Cask code on GitHub

Current version: 5.5.1

Analytics:

Installs (30 days)
inkdrop 64
Installs (90 days)
inkdrop 178
Installs (365 days)
inkdrop 424
Fork me on GitHub