ezGantt View a Google Spreadsheet as a Gantt Chart. ezGantt uses public Google Chart and Google Drive JavaScript APIs, so the same users who can view the Spreadsheet can see the Gantt chart. References Original project: https://github.com/google/ezgantt https://developers.google.com/chart/interactive/docs/gallery/ganttchart https://developers.google.com/sheets/api/quickstart/js https://developers.google.com/sheets/api/reference/rest/v4/spreadsheets/get