For a project manager , planning is your bread and butter . A good software tool is a complement ,as long as it doesn't come with a high price . MS Project , a Microsft product , is one of the most commonly used project management tool around . But if your just a low earning firm with little money to invest on project management tool you may not be able to afford this tool . Open source software , as I always mention it on some of my blogs , free users of high prices from large software companies . It may not be always free , but it is cheaper . Additionally , the source code comes with it , so if you are that technically adventurous , you can always customize it to fit your need. Open Workbench aims to be a direct alternative to Microsoft Project . Open Workbench provides project planning and scheduling together with resource management. Open Workbench even offers import of Microsoft Project files - to make migration easier . So if you dont mind investing a little of your time t...