On our software library, you can get a free download of Gantt Chart 4.3. The most popular and frequently downloaded file of the program is: GanttChart.exe. Notice that this tool can be installed on the following OSs: Windows XP/7/8/10 32-bit. The most popular versions of the software are 4.3, 4.0 and 3.9. The built-in antivirus system reports that the software is virus free. The fact that OrgBusiness Software is the developer of this tool is well-known by its users.