This book provides a synoptic perspective on the relationships between free software and freedom. The book focuses on five main themes:emancipatory potential of technologysocial libertiesthe facilitation of creativitythe objectivity of computing as a scientific practicethe role of software in a cyborg worldand asks: are the freedoms of free software, and how are they manifested? Free software continues to be hyped. This book demonstrates that the hype is well-founded and yet too narrowly focused: free software promises to transform not only technology but society as well.