Companies contributing to OpenStack (Grizzly Analysis)

As an update of our analyses on previous releases of OpenStack, today we present our analysis of company contributions to Grizzly, the new release of the project being published today. OpenStack is a well known free / open source software project providing facilities for building private and public clouds. It is also a good example of a development community in which almost all participants are affiliated to some company. Therefore, it is interesting to study how companies contribute to the project by means of their employees. This is exactly what we did in our analysis.

Commits by company, all OpenStack projects, Grizzly release cycle
Commits by company, all OpenStack projects, Grizzly release cycle

The results are revealing, and more when you put them into context by looking at how companies were behaving in previous release cycles. The data is telling a story of how a project which was clearly dominated by a single company (RackSpace) has led to a real community with many actors. With more than 20 different companies contributing every week and a total of more than 50 companies which contributed at some point, OpenStack is becoming one of the projects with more corporate involvement. The number of people involved is also large, and growing. In September / October, when the release cycle was starting, about 40-50 persons contributed each week. At the end of the cycle, in March, they were about 80-90.

Activde developers by company, in OpenStack git, all projects, Grizzly release cycle
Activde developers by company, in OpenStack git, all projects, Grizzly release cycle

The top corporate contributors are no surprise: Red Hat, Rackspace, IBM, Nebula, HP and others are well known for their support of the project. Maybe it is interesting to see how Rackspace is slowly handing over the leadership of the project to other companies, and how quickly some of them are getting involved.

[Now, go on reading this post, or have a look at the complete analytics dashboard for Grizzly]

[Note (Apr 6th 00:10 CEST): Thanks to those of you who are reporting what seem to be errors or inaccuracies. We’re having those reports into account and will produce a new run of the data soon. However, up to now they don’t seem to change things significantly except for specific developers or maybe some company going one position up or down in some list. Please, keep those reports coming.]

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