- Editorial : Personal Learning Environments, I.Buchem, T. Koskinen

In-depth
- Personal Learning Environments in Smart Cities: Current Approaches and Future Scenarios, I. Buchem, M. Pérez-Sanagustín
- Personal learning environments: a conceptual landscape revisited, S. H.D. Fiedler, T. Väljataga
- A Gamification Framework to Improve Participation in Social Learning Environments, J. Simões, R. Díaz Redondo, A. Aguiar, A. Fernández Vilas
- Developing a Framework for Research on Personal Learning Environments, R. Kop, H. Fournier

From the field
- Developing PLEs to support work practice based learning, G. Attwell, L. Heinemann, P. Kamarainen, L. Deitmer
- Using PLEs in Professional Learning Scenarios – The Festo Case for ROLE, M. Scheffel, M. Werkle, M. Wolpers
- Investigating teachers' perceptions about the educational benefits of Web 2.0 personal learning environments, E. Rahimi, J. van den Berg, W.Veen
- Decentralized badges in educational contexts: The integration of Open badges in SAPO campus, C. Santos, L. Pedro, S. Almeida, M. Aresta