ganttproject

Install command: 
brew install --cask ganttproject

Name: GanttProject

Gantt chart and project management application

https://www.ganttproject.biz/

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

Cask code on GitHub

Current version: 3.0.3000

Analytics:

Installs (30 days)
ganttproject 45
Installs (90 days)
ganttproject 146
Installs (365 days)
ganttproject 552
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