Open Workbench is described as 'Open source Windows-based desktop application that provides robust project scheduling and management functionality and is free to distribute throughout the enterprise. When users need to move beyond desktop scheduling to a workgroup, division or' and is a project management tool in the business & commerce category. There are more than 25 alternatives to Open Workbench for a variety of platforms, including Windows, Web-based, Mac, Linux and iPhone apps. The best Open Workbench alternative is GanttProject, which is both free and Open Source. Other great apps like Open Workbench are Microsoft Project, ProjectLibre, Smartsheet and OmniPlan.