View gantt

This module uses the dhtmlx GANTT javascript library
By default it uses the cdn but you can buy the PRO version and put it in /libraries/gantt/codebase/

If you are not a drupal expert, you can install the Gantt Node demo and use it.
it basically creates a Node Gantt content and a Ganttt view. Once installed, you can go to /gantt (For the first time go to /node/add/gantt to create a new task). After creating, the interface will be displayed to get started

if you like version paragraphs you can try module with paragraphs gantt
it have same functionality

Do you like this module? Show your appreciation by buying me ☕.