Where can I get key metrics of most well known commercial software packages?

I'm interested to find some information about codebase size, number of developers, number of commits, duration of development, etc. for commercial software, including: IE, MS Office, Oracle Server, Microsoft IIS, Visual Studio, Windows.

Any开发者_Go百科 ideas where to get this information?

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according to this list of project metrics, Windows XP has 40 million SLOC...