Use this list of free software! Open source, too!
The One Page Linux Manual Cheat Sheet
Building an Online Store: Which Shopping Cart Works Best - Love a good success story? Learn how I went from zero to 1 million in sales in 5 months with an e-commerce store.
Dutch designer Dave Hakkens has developed a open-source prototype for a plastics recycling machine - Kun je hier ook letters mee maken dan?