Can you refactor? In really small steps? Can you turn some, frankly, ugly code into a paradigm of elegant, readable, extensible design?

This is a collection of starting files for when practicing refactoring.

Contents so far:

Tennis Kata in Java, Python and C++.
Gilded Rose Kata in C++, C#, Java, Python and Ruby. (a C# version together with a starting project is already available on github)
Yahtzee Kata in C#, Java and Python (the C# and Java versions are also available in Jon Jagger's Cyberdojo)