jsFiddle

jsFiddle lets one easily test snippets of JavaScript/CSS/HTML code on-the-fly, adding optional libraries like jQuery.

Free Web

JS Bin

JS Bin is a free online HTML, CSS, and Javascript editor. It has live output so you may see what you are doing. .

Freemium Web

repl.it

Online Interpreters in JavaScript. Online coding and REPL. Run and share code. Try QBasic, Forth, Ruby, Python, Lua, Scheme, Emoticon, Brainfuck, LOLCODE, Unlambda, Bloop, JavaScript, Javascript.

Freemium Web

kodeWeave

kodeWeave is a realtime coding playground for HTML, CSS and Javascript.

Free Open Source Mac OS X Windows Linux Android Android Tablet Chrome OS Web

HTMLhouse

Publish HTML quickly with open source web editor, HTMLhouse. Use the editor / real-time preview to build your HTML page, and press publish when you're done....

Free Web Chrome Self-Hosted

Coding Ground

Compile and Execute your favorite programming languages online, click any of the following to proceed! Web Technologies, Text Formatting, Useful Utilities, Programming...

Free Web

CodeBunny

Instantly write and execute code collaboratively with a candidate, right in the browser.

Free Mac OS X Windows Linux iPad

CodeBunk

CodeBunk provides a Realtime Collaborative Editor with Compile/Run. CodeBunk is an Online Compiler/Interpreter for PHP, Python, Ruby, Perl, Lua, Javascript, C, C++....

Free Web

Try It Online (TIO)

TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.

Free Open Source Web Self-Hosted

CodeExec

codeExec let you create your own web application allowing users to create and execute code written in JavaScript, HTML, and CSS online.

Commercial Self-Hosted PHP

HTCSJS (HTmlCSsJS)

HTCSJS is an online HTML, CSS and JavaScript coding tool. It functions on mobile, and allows any external resources. It also allows one to paste on iOS, as there is no...

Free Open Source Mac OS X Windows Linux Android Web

codeboard.io

A web-based IDE to teach programming in the classroom. Easily create and share exercises with students. Analyze and inspect students' submissions.

Free Web