Vin Daryl writes "ZDNet reports on Microsoft's love-hate relationship with open-source software." From the article: "The interoperability lab focuses on getting products from open-source ISVs such as JBoss, to work on the Microsoft platform, he said. 'For example, we often collaborate with JBoss, but in certain areas we might compete with them. It's competition and cooperation,' Hilf explained. 'Over time, as you see the open-source marketplace maturing and becoming more commercial, I think you'll see more of that kind of dynamics. It's not something that's unique to Microsoft,' he said, adding that IBM and Oracle also compete, and at the same time, cooperate with open-source vendors. "