Contains the keyword open-source

Vasilescu B. Software Developers Are Humans, Too!. In Proceedings of the Companion Publication of the 17th ACM Conference on Computer Supported Cooperative Work &\#38; Social Computing [Internet]. New York, NY, USA: ACM; 2014. pp. 97–100. http://doi.acm.org/10.1145/2556420.2556833
Teixeira J. Understanding Coopetition in the Open-Source Arena: The Cases of WebKit and OpenStack. In Proceedings of The International Symposium on Open Collaboration [Internet]. New York, NY, USA: ACM; 2014. pp. 39:1–39:5. http://doi.acm.org/10.1145/2641580.2641627
Yamauchi Y, Yokozawa M, Shinohara T, Ishida T. Collaboration with Lean Media: how open-source software succeeds. In Proceedings of the 2000 ACM conference on Computer supported cooperative work (CSCW) [Internet]. New York, NY, USA: ACM; 2000. pp. 329–338. http://doi.acm.org/10.1145/358916.359004