This is a simple report produced by .
The dataset presented is based on the information publicly available in the development repositories of the , and should be exact for the timespan and repositories analyzed.
We proudly participate in the development of the data mining tools used in this analysis, which are all of them free / open source software. Those can be found at the Metrics Grimoire project.
The visualization part is also based on partially modified free software code, most of it being Envision by HumbleSoftware. The rest of the toolchain is mainly R, an incredible statistical tool that helps us to analyze the dataset and produce the cooked data which is shown.
There is some more information in the blog post about this analysis.
Our main concern as a company is to provide products and services as transparent as possible, generating a trustable relationship with our customers. Therefore, if you find any inconsistencies in the data, or have any other kind of feedback, please let us know by posting a comment to that blog entry.
Thanks for your interest and support!