Using Open Source Software (OSS) in undergraduate teaching in universities is now commonplace. Students use OSS applications and systems in their courses on programming, operating systems, DBMS, web development to name but a few. Studying OSS projects from both a product and a process view also forms part of the software engineering curriculum at various universities. Many students have taken part in OSS projects as well as developers. At the University of Lincoln, under the Undergraduate Research Opportunities Scheme (UROS), undergraduate student researchers have the chance to work over the summer embedded within an existing research centre on a UROS project. Here two such projects within the Centre for Research in Open Source Software (CR...