Good Gantt is The Best Gantt Chart for Trello where you can: - see all the boards of your Trello account and the tasks for them. You can disable what you want also. - connect your favorite time trackers and track your employees' performance right on the gantt chart. - customize the necessary columns in which your cards will be added or moved.
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Online Gantt - A free MS Project alternative for simple gantt charts
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GANTTplanner - Turn your Google Calendar into a Gantt chart
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