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- JavaScript
- Ruby
- Python
- Haskell
- Factor (Beta)
- C++
- OCaml (Beta)
- CoffeeScript
- PHP
- Java
- Clojure
- C#
- Elixir
- Dart
- Crystal
- Julia (Beta)
- TypeScript
- Racket
- C
- NASM
- COBOL (Beta)
- Rust
- Go
- Scala
- λ Calculus (Beta)
- Lua
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.