Simple Code Editor for playing with Javascript and Conducting Interviews. New alternative for JSBin and JSFiddle.

CodePen is described as 'A communal platform for front-end development offering real-time previews, project building, and showcases, enhancing skills through challenges' and is a very popular Code Editor in the development category. There are more than 50 alternatives to CodePen, not only websites but also apps for a variety of platforms, including Self-Hosted, Linux, Mac and Windows apps. The best CodePen alternative is jsFiddle, which is free. Other great sites and apps similar to CodePen are Replit, Firebase Studio, Qoder IDE and CodeSandbox.
Simple Code Editor for playing with Javascript and Conducting Interviews. New alternative for JSBin and JSFiddle.

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

TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.
Its about quite a few things. You can use CSSDeck to make testcases and share with other people on IRC, forums, StackOverflow, etc. who help you solve your coding problems. You can even code with multiple people in realtime in various modes. Remember etherpad ?




codi.link is a live editor for HTML, CSS and JS. It allows you to edit your code in real-time, and see the result instantly.

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


A collaborative online web development platform using HTML, CSS and JavaScript with a focus on design systems and financial applications.

StaticSave is a simple website which mainly focus on hosting simple static codes of css, javascript, txt, json and xml. It can hosted in minutes without much worry and the process is simply quick with StaticSave.

PySketch is a Python web editor that aims to provide social coding experience to anyone who likes creative coding. You can improve or showcase your Python skills on the web by building fun projects, games, graphics with access to HTML5 and JavaScript libraries or exploring other...
