Some coding dojo katas solutions using multiple programming lenguages.
- String calculator: http://osherove.com/tdd-kata-1/
- Gilded Rose: https://github.com/NotMyself/GildedRose
- Rock Paper Scissors Lizard Spock: https://www.codewars.com/kata/rock-paper-scissors-lizard-spock
- Roman Numerals: http://codingdojo.org/kata/RomanNumerals/
- Kata Potter: http://codingdojo.org/kata/Potter/ (Using 7 books instead of 5)