K was originally created as a proprietary language, but the main implementations are freely available to the general public for personal use. Over the years, many open source implementations of K have emerged.
|ngn/k||Editor, REPL, nextjournal *, Attempt This Online|
|oK||REPL, editor(iKe drawing framework), Attempt This Online|
|Special K||Online GLSL shader mapping|
|K2 (nsl archive)||http://nsl.com/k/k2/k295/|
Try It Online! is an online programming environment which supports ngn/k, oK and Kona. It is not listed in the table since the owner has not updated the K versions for years.
Table of Implementations
|ThePlatform||Rust||K-like||temporary closed source||https://theplatform.technology/platform/install.html|
|ktye/i||Go||K-like||public domain / no license||https://github.com/ktye/i|