CodeSandbox is an online editor with a focus on creating, sharing and importing new React projects


JSitor is described as 'Online tool for testing and showcasing user-created and collaboration HTML, CSS, JavaScript and NodeJS snippets' and is a Code Editor in the development category. There are more than 50 alternatives to JSitor for a variety of platforms, including Web-based, Windows, Linux, Mac and Self-Hosted apps. The best JSitor alternative is Pastebin.com, which is free. Other great apps like JSitor are Replit, CodePen, jsFiddle and JSPad.
CodeSandbox is an online editor with a focus on creating, sharing and importing new React projects


dabblet is an interactive playground for quickly testing snippets of CSS and HTML code. It uses -prefix-free, so that you won't have to add any prefixes in your CSS code. You can save your work in Github gists, embed it in other websites and share it with others.

Codewith.it is an online HTML, CSS and JavaScript code playground with realtime preview with many tools for developing web pages and advanced code analysis systems, with many assistance tools.



Storm is an online web development environment which allows users to run HTML, CSS, Javascript code in real time in a secured environment. It supports sharing Scribble (Storm project) via a dedicated link and also allows users to use jQuery and React framework of JavaScript.


Flems is a playground for web development. It's ideal for prototyping ideas & sharing working front-end code examples.


TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.
snippet.host is a minimal text and code snippet hosting. With memorable domain name, it is free, lightweight, with no ads or cookies. Features include syntax highlighting in multiple languages, easy-to-use API and Tor hidden service support.

Plunker is an online community for creating, collaborating on and sharing your web development ideas.

Fastpen is an open source alternative to codepen that just stores the source code compressed, in the url.





