Ranking the popularity of programming languages
dataists.com
dataists.com
- I always wondered why there were so many Delphi questions on Stack Overflow, despite seeing very little Delphi activity elsewhere
- F# developers don't ask many questions
So that might explain why the Delphi questions have aggregated on SO.
Megan Squire posted in a comment this link to a collection of multiple source code repository websites datasets, although it is only open source projects: http://code.google.com/p/flossmole/downloads/list
I wish I could find a way to make a bit more money from it than the ads provide, though.