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REPL's

external

"Try" Sites for Various Programming Languages

repl.it

Try F#

trylua.org

Java REPL

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

try.redis.io

try.github.com

try.kotlinlang.org

Jax Online LaTeX Editor

cljs-bootstrap Web REPL

Rollup is a module bundler for JavaScript

A practical functional library for JavaScript programmers.

Immutable collections for JavaScript

Preact provides the thinnest possible Virtual DOM abstraction on top of the DOM

A scripting language for conversational chat bots

Babel is a next generation JavaScript compiler

ClojureScript is a compiler for Clojure that targets JavaScript

A new way to develop parsers for binary structures

Opinionated Code Formatter

Lebab transpiles your ES5 code to ES6/ES7

A tool for making JavaScript code run faster

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker.

Earl Grey is a neat little language that compiles to JavaScript.

Ceylon is a language for writing large programs in teams.

A stack-oriented programming language suitable for code golfing

A web-based SWISH interpreter (a subset language of SWI-Prolog)

Showdown is a Javascript Markdown to HTML converter, based on the original works by John Gruber.

try.ocamlpro.com

www.pythonanywhere.com/try-ipython

tryhaskell.org

IBM Swift Sandbox

tryruby.org

Lambda Calculus

tryhandlebarsjs.com

try.haxe.org

Stylus is an innovative stylesheet language that compiles down to CSS.

L(λ)THW Try Common Lisp

to-markdown: HTML to Markdown Written in JavaScript

(GitHub Flavored) Markdown Editor

tryerlang.org

Skulpt is an entirely in-browser implementation of Python

BiwaScheme is a Scheme interpreter written in JavaScript

TypeScript Playground

Lua Demo

Compile & run code Crystal