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- JavaScript
- CoffeeScript
- Python
- Haskell
- Ruby
- C#
- PHP
- Java
- Scala
- TypeScript
- Rust
- Go
- C++
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- F#
- Clojure
- COBOL (Beta)
- Swift
- Kotlin
- Elixir
- Crystal
- R (Beta)
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- OCaml (Beta)
- Julia (Beta)
- PowerShell (Beta)
- Nim (Beta)
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- NASM
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- Dart
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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.