Open Source Alternatives to Mainstream Software

Not every proprietary program can drive a person crazy, right? Some, like Norton Ghost, are superb tools for anyone to use. But, the fact that these tools are proprietary can drive open source fanatics up a wall. It's not the price of the software that makes the real difference (although it's a reason to migrate from one software to another for many people); it's the idea that proprietary software comes with boundaries that keeps the user experience confined to...well, being the user. That's enough to drive any developer crazy.  Read more here - http://whdb.com/2008/the-top-50-proprietary-programs-that-drive-you-crazy-and-their-open-source-alternatives/.