todoist

Install command: 
brew install --cask todoist

Name: Todoist

To-do list

https://todoist.com/home

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

Cask code: todoist.rb on GitHub

Current version: 9.16.1

Current version requires: macOS >= 10.15

Versions:

Intel sequoia 9.16.1
sonoma 9.16.1
ventura 9.16.1
monterey 9.16.1
big sur 9.16.1
catalina 9.16.1

Analytics:

Installs (30 days)
todoist 504
Installs (90 days)
todoist 1,489
Installs (365 days)
todoist 6,880
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