Open source and proprietary software firms are no longer polar opposites on the business landscape. In the decade in which open source software has become a practical alternative to proprietary products, there has been a so-called move to the middle. Proprietary firms have begun to embrace open...

The computer-services and software industry used to be conveniently divided into three main sectors: mass-market software vendors, enterprise software vendors, and computer services. The three sectors were distinct, because personal computers, corporate mainframes, and online computer networks...

This article reviews the changes to the established software industry caused by the rise of the Internet. Before the advent of the commercial Internet (in 1994, say), the industry consisted of three distinct sectors: vendors of mass-market software products for PCs; vendors of enterprise...

Today IBM is perceived as being in the vanguard of open source software and a leading participant in the free software community. Paradoxically, IBM is also the world's second largest vendor of proprietary software products. In this paper we argue that IBM's embrace of open source software comes...

The open source software development model has been hailed as the most significant change in computing since Apple played David to IBM's Goliath. Yet, enterprises dedicated to bringing open source into the mainstream of the information economy have had a rough time finding ways to stay afloat...