Are you interested in the software development & delivery lifecycle of “closed source” companies and compare/contrast that to software development and delivery lifecycle of commercial “open source” companies.  The investigation will look at not only how software is designed, developed and tested – but also at  how the vendor is able to leverage the ecosystem. 

A blog (http://www.howsoftwareisbuilt.com/) has been set up to gather perspectives on both the Open Source and Closed Source Development Models and to encourage wide audience feedback and input for the study.  Interviews with various industry experts to get their insights on both the development models have been received with great excitement.

Till date we have had 16  interviews with Open Source and Closed Source SMEs on the blog comparing the development models of Open Source and Closed Source software

The interviews are pretty detailed and have a lot of golden nuggets. Do check them out