Found this on Slideshare:

Project management can be a tough gig, but, with the right organizing tools, you can be quite productive.  OpenProj is one of those tools.
From the website:
OpenProj is a free, open source desktop alternative to Microsoft Project. OpenProj has been downloaded over 175,000 times in the first weeks since it was released and has quickly become one of the most popular open source applications. If you are managing a group project we recommend Project-ON-Demand. If you want a free replacement to commercial desktop software, then OpenProj is perfect. It’s available on Linux, Unix, Mac or Windows, and it’s free.
Click here to …read more

The annoying thing about MS Office 2007 is that it saves files in a completely different format from earlier versions of office programs such as Excel, Word, PowerPoint, etc. So if you create a document at work on your MS Word 2007, you can’t open it properly at home on your MS Word 2003.
This video demonstrates how you can easily solve this problem (with the exception of not using Office 2007 at all):

For the uninitiated, MS Excel is a pretty intimidating program. If it scares you, you probably settle for creating tables in Word. That solution has its uses, but sometimes, you will get more flexibility, control, and power via Excel. For those who are unfamiliar with it, here’s a brief introduction (more tips for advanced users below):

Are you organizing the office New Year’s party? Or how about the next client meeting? For the obsessive compulsive corporate slave, here’s a video instruction of how to make seating charts in Excel.

Apart from those, here are other useful …read more