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- JavaScript
- CoffeeScript
- Ruby
- Python
- C#
- Objective-C (Beta)
- C++
- Java
- Clojure
- TypeScript
- COBOL (Beta)
- Haskell
- Elixir
- OCaml (Beta)
- PHP
- Scala
- NASM
- C
- CFML (Beta)
- Crystal
- Go
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- Prolog (Beta)
Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.