Commercializing Open Source Software

CowboyRobot writes "Michael Karels, system architect for BSD 4.3 and 4.4, has an article on ACM Queue about the challenges in trying to make money from open source software. From the article: 'As users of the software, open source contributors have certain common interests in making the software stable and usable.' but 'When additions require modifications to the base system, there may be resistance to incorporating the changes.'"