october

Install command: 
brew install --cask october

Name: October

GUI for retrieving Kobo highlights and syncing them with Readwise

https://october.utf9k.net/

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

Cask code: october.rb on GitHub

Current version: 1.12.2

Requirements: macOS >= 10.15

Versions:

Intel tahoe 1.12.2
sequoia 1.12.2
sonoma 1.12.2
ventura 1.12.2
monterey 1.12.2
big sur 1.12.2
catalina 1.12.2

Analytics:

Installs (30 days)
october 5
Installs (90 days)
october 10
Installs (365 days)
october 70