PC World posted an article featuring 11 free Linux applications for your business needs
Despite the wealth of free applications out there, many small business owners continue to spend an inordinate amount of their all-too-scarce resources on software. Microsoft Office 2010? That'll be $499.99--or $279.99 if you can do without the Professional version. QuickBooks 2010? $159.95 or more. Adobe PhotoShop CS5? A whopping $699.11 Free Linux Apps Your Business Needs Now
The good news is that there are free and open-source alternatives for virtually every package a small business might need, and most of them are excellent.