Educational computer programming environment using Haskell

Online SQLite playground

虚拟host解决方案，轻松实现两套host环境

Your favourite Graphviz editor.

a simple sandbox to test and share MongoDB queries

A libffi wrapper for Ruby.

twigfiddle.com provides a small development environment to develop, run, store and access Twig code online.

A simple live HTML, CSS, and JavaScript scratchpad in your browser

A playground for trying out and testing MudBlazor components entirely in the browser.

Build, run, and share Java snippets in the browser

📜 A lightweight code editor for editing, compiling and running code snippets/scripts supporting multiple languages and rich GUI

A playground platform for the PAWN scripting language

List of useful Softwares, Tools, Plugins, Utilities (Online/Offline)

typescript eslint playground

run Haxe code snippets in your browser

Getting a fresh redesign with v4.0.0

It allows to download all your jsFiddles' scripts, just using a NodeJS script

Play with Blazor in the browser and share code snippets

Java Playground, a web-based compiler front-end.

An archive of traditional Irish fiddle tunes, in MusicXML format.