1. May the fork be with you: novel metrics to analyze colla***boration on GitHub;Biazzini;Proceedings of the 5th International Workshop on Emerging Trends in Software Metrics, ACM, Hyderabad India,2014
2. Black Duck Software Inc. OpenHub, https://openhub.net/, Mar, 2, 2015 access.
3. Bruntink, M. An Initial Quality Analysis of the Ohloh Software Evolution Data. Electronic Communications of the EASST.
4. Bruntink, M. Towards base rates in software analytics Early results and challenges from studying Ohloh, Science of Computer Programming, 97, 135-142
5. Docker Inc. Docker - Build, Ship, and Run Any App, Anywhere:, https://http://www.docker.com/, Mar, 30, 2015 access.