21156614 submission Submission + - The Architecture of Open Source Applications (aosabook.org) Submitted by jrepin on Monday May 23, 2011 @04:39PM jrepin writes: "In new free book the authors of twenty-five open source applications explain how their software is structured, and why. What are each program's major components? How do they interact? And what did their builders learn during their development? In answering these questions, the contributors to this book provide unique insights into how they think."