Final answer:
GanttProject is a free, open-source, Java-based project management tool that is true to its description and available on multiple platforms. It is widely used for creating Gantt charts and managing project tasks and schedules.
Step-by-step explanation:
The question is about GanttProject, a project management tool. The correct answer is 2) True. GanttProject is indeed a free open-source tool that is written in Java and can be used on various platforms such as Windows, macOS, and Linux. As a project management software, it allows users to create work breakdown structures, draw Gantt charts to visualize project schedules, and set dependencies between tasks. Its open-source nature means that it's freely available to anyone and can be modified or improved by developers around the world. This makes GanttProject a very accessible tool for students and professionals who require project planning and management capabilities without the need to invest in expensive software.