is one of the best software programs for project management, and is especially crucial for the PERT network as well as for the Gannt bar chart tool, which is effective in planning and scheduling of projects easily. There are some free and open source software programs which can act as an alternative to Microsoft Project , although they are not as comprehensive but can effectively do the job. GANTT project is one such cross-platform tool which works with Windows, MAC and Linux OS. The other alternative is the Open workbench..The project plan through Gannt chart can be made in Microsoft Excel too.
Microsoft Project is a project management program used for managing large projects. There is no free software as comprehensive as Microsoft Project. Nevertheless, free and open source software exists that is good enough to meet the needs of most projects: