Software reuse as an umbrella concept has been around for several decades. Over time, new techniques and approaches have been proposed to implement the concept, from libraries of reusable assets to product lines, to generative methods. These latter techniques are mostly used in intra-organizational reuse, and require considerable formal knowledge over the evolution of technology and required functionality in a domain over several years. On the other end of the spectrum, extra-organizational reuse is based on reuse of off-the-shelf (OTS) software (both open and closed source, acquired for free...

This book constitutes the refereed proceedings of the 13th International Conference on Safe and Secure Software Reuse, ICSR 2013, held in Pisa, Italy, in June 2013. The 27 papers (18 full and 9 short papers) presented were carefully reviewed and selected from various submissions. The papers are organized in topical sections on feature modeling and variability analysis; reuse and testing; architecture and reuse; analysis for reuse; reuse and patterns, short papers, emerging ideas and trends.