free-programming-books/free-programming-playgrounds.md

Index

• Angular
• ClojureScript
• Crystal
• CSS
• Elm
• FlexBox
• Go
• Haskell
• Ionic
• Java
• JavaScript
• Kotlin
• .Net
• Node.js
• OCaml
• Perl
• PHP
• Python
• R
• React
• Ruby
• Rust
• Scala
• SQL
• Svelte
• Swift
• TypeScript

Angular

• Plunker
• StackBlitz

ClojureScript

• Web REPL

Crystal

• Compile & run code in Crystal

CSS

• CodePen
• CSSdeck
• CSSdesk
• Dabblet

Elm

• Ellie

FlexBox

• Echoplex

Go

• Go Playground

Haskell

• Try Haskell

Ionic

• StackBlitz

Java

• repl.it (including a separate Java/Swing)

JavaScript

• CodePen
• CodeSandbox.io
• JSBin
• JSFiddle
• Plunker
• Sololearn

Kotlin

• Kotlin

.NET

• .NET Fiddle

NodeJS

• Ideone

OCaml

• Try OCaml

Perl

• Perl

PHP

• Codepad
• PHPFiddle
• PHPTester

Python

• Codepad
• Pyfiddle

R

• R-Fiddle

React

• CodeSandbox.io
• StackBlitz

Ruby

• Codepad

RxJS

• StackBlitz

Rust

• Rust Playground

Scala

• ScalaFiddle.io
• ScalaFiddle.net
• Scastie

SQL

• Extends Class
• SQLFiddle

Svelte

• StackBlitz

Swift

• Online Swift Playground

TypeScript

• Playground
• StackBlitz