Running K

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 and K-like languages have emerged, some of which listed below.

Web-based interpreters

Table of browser-based K interpreters

Name	Links
ngn/k	Editor, REPL, ktye/zoo nextjournal *, Attempt This Online
oK	REPL, editor(iKe drawing framework), ktye/zoo, Attempt This Online
Kona	repl.it
ktye/i	REPL, ktye/zoo, ktye/db
K7 (kparc)	kparc, ktye/zoo
K9 (kparc)	kparc, ktye/zoo
K2 (nsl archive)	nsl

Table of browser-based K-like language interpreters

Name	Links
klong	ktye/zoo
Goal	Try Goal
Special K	Online GLSL shader mapping
ThePlatform	REPL

_{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

Table of K implementations

Name	Language	Dialect	License	Download
ngn/k	C	K6	AGPL3	https://codeberg.org/ngn/k
oK	JS	K5	MIT	https://github.com/JohnEarnest/ok
ktye/i	Go	K-like	public domain / no license	https://github.com/ktye/i
Shakti	C	K9	proprietary	https://shakti.com/
kdb+/q	C	K4	proprietary	https://kx.com/developers/download-licenses/
Kona	C	K3	ISC	https://github.com/kevinlawler/kona/

Table of K-like languages

Name	Languages	Influences	License	Download
Goal	Go	ngn/k, BQN	ISC	https://codeberg.org/anaseto/goal
kuc	C	K5	GPL3	https://github.com/zholos/kuc/
klong	C, Python	K3	public domain	https://t3x.org/klong/, https://github.com/briangu/klongpy (vectorized)
ThePlatform	Rust	K6?	temporary closed source	https://theplatform.technology/platform/install.html