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- Python
- Java
- Haskell
- JavaScript
- Ruby
- C#
- Rust
- Nim (Beta)
- C
- Clojure
- F#
- CoffeeScript
- Crystal
- Prolog (Beta)
- Factor (Beta)
- Scala
- Groovy
- PHP
- C++
- TypeScript
- R (Beta)
- Shell
- OCaml (Beta)
- Lua
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- Elixir
- Julia (Beta)
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- Go
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- Racket
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- Dart
- Elm (Beta)
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- Raku (Beta)
- Pascal (Beta)
- Perl (Beta)
- D (Beta)
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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.