Evolution of the core team of developers in libre software projects

Authors:
Gregorio Robles;Jesus M. Gonzalez-Barahona;Israel Herraiz
Affiliations:
GSyC/LibreSoft, Universidad Rey Juan Carlos (Madrid, Spain);GSyC/LibreSoft, Universidad Rey Juan Carlos (Madrid, Spain);GSyC/LibreSoft, Universidad Rey Juan Carlos (Madrid, Spain)
Venue:
MSR '09 Proceedings of the 2009 6th IEEE International Working Conference on Mining Software Repositories
Year:
2009

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Abstract

In many libre (free, open source) software projects, most of the development is performed by a relatively small number of persons, the “core team”. The stability and permanence of this group of most active developers is of great importance for the evolution and sustainability of the project. In this position paper we propose a quantitative methodology to study the evolution of core teams by analyzing information from source code management repositories. The most active developers in different periods are identified, and their activity is calculated over time, looking for core team evolution patterns.