Gantt Project is a professional project planning and progress app for Windows. It focuses on WBS, calendars, task dependencies, the critical path, resources, and cost—with local-first storage, open file exchange, and explainable automatic scheduling. Build or open a plan, then edit the task table and Gantt chart together. After you set durations, FS/SS/FF/SF links, and lag/lead, the app calculates dates, total/free slack, and the critical path. Changes can be traced to calendars, constraints, or predecessors, with full undo/redo. Planning & scheduling WBS, summary tasks, milestones; manual or automatic scheduling Working weeks, holidays, and project start date Eight constraint types, deadlines, and cycle detection Search, built-in and custom filters, sibling sort, grouping, custom columns/fields Resources, cost & tracking Work, material, and cost resources with assignments and rates Workload charts, overallocation alerts, and previewable leveling Baselines 0–10, status date, actuals, and earned value (PV/EV/AC, SPI/CPI) Progress reschedule preview that safely moves late work and can split in-progress tasks Files & exchange Local autosave; GanttProject-compatible .gan Import/export: Microsoft Project XML (MSPDI), MPX, Planner XML, Excel .xlsx, CSV/TSV Paginated Gantt PDF/PNG export Rectangular TSV copy/paste with spreadsheet apps No sign-in is required for full single-project planning. Your data stays on the device.

A local-first project planning app with task tables and Gantt charts.