In articles past, we have examined both the up-and-coming open source projects to watch, and which open source applications you simply cannot live without. But where does this leave the enterprise user? Often times, the need of the enterprise user differs from that of the home-office/small-office worker.

With Linux and free software making a name for itself in the world of big business, many more people are testing the feasibility of switching small and home office software to their open source equivalents.

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.

When it comes to businesses using open source software, medium and large enterprises seem to get most of the press. However, small office/home office (SOHO) setups with 10 employees or less may see even greater benefit from switching to open source applications.

The UK's position as the open source laggard of Europe is preventing the growth of UK software industry and skills, according Alfresco, an open source enterprise content management company. Alfresco is a UK success story, counting top investment banks and the European Commission among its customers, yet only 5% of its business comes from its home turf.

At first glance, Microsoft’s software portfolio — Windows, Office, Small Business Server and Exchange — still dominates the small business market. But Red Hat CEO Jim Whiteshurst says his company has found a back door into the small business market. Perhaps surprisingly, it doesn’t really involve desktop Linux.

Part of my job is finding and testing open sourced solutions for already prominent commercially available software. The concept is simple: If it's open sourced, it can be customized, be platform independent, and it can be free. In the business world, this poses two key benefits.

More and more organizations are relying on open source software to build, test, deploy, and run mission critical IT applications. From small start-ups to Fortune 500 companies, organizations worldwide are continuing to find open source as a cost effective means to deliver quality business applications.

Many small business owners have never heard of open source software. That's unfortunate because in many ways small businesses are ideal environments for open source applications.