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Open Source jsFiddle Alternatives

The best open source alternative to jsFiddle is CodeSandbox. If that doesn't suit you, our users have ranked more than 50 alternatives to jsFiddle and 17 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to jsFiddle are JS Bin, Plunker, kodeWeave and Try It Online (TIO).

jsFiddle alternatives are mainly Code Editors but may also be Pastebin Services or IDEs. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of jsFiddle.
This page was last updated Dec 20, 2021
jsFiddle iconjsFiddle
  131
  • FreeProprietary
  • Online

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

Learn more about jsFiddle

  1. CodeSandbox icon

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

    Screenshot
  2. JS Bin icon

    JS Bin

    • FreemiumOpen Source
    • Online

    JS Bin is a collaborative open source JavaScript debugging tool. Enter Javascript in one pane and HTML in the other and see the result; share using a short URL. Choose popular JS libs from a menu, so you don't have to remember the URL.

    Screenshot
    Most users think JS Bin is a great alternative to jsFiddle.


  3. Plunker icon

    Plunker

    • FreeOpen Source
    • Online

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

    Plunker being edited
    Most users think Plunker is a great alternative to jsFiddle.
  4. kodeWeave icon

    kodeWeave

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS
    • Android Tablet

    kodeWeave is a realtime coding playground for HTML, CSS and Javascript. Similar to JSFiddle and JSBin, but kodeWeave was made to work offline but also as a prototyping application to build applications for desktop operating systems while on mobile devices.

    The kodeWeave Web Application
  5. Try It Online (TIO) icon

    Try It Online (TIO)

    • FreeOpen Source
    • Online
    • Self-Hosted

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

    No screenshots yet


  6. HTMLhouse icon

    HTMLhouse

    • FreeOpen Source
    • Self-Hosted

    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. That's it! No sign up, no fuss.

    Discontinued

    The last release is from March 2018, and the website and Chrome extension are unavailable.

    Screenshot
  7. Dabblet icon

    Dabblet

    • FreeOpen Source
    • Online

    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.

    Screenshot
  8. shelf.gg icon

    shelf.gg

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Windows S
    • Android Tablet
    • Windows Phone
    • iPad
    • Self-Hosted
    • Linux Mobile

    shelf.gg is an open source pastebin that makes it easy to find and share lists of resources.

    Screenshot
  9. flems.io icon

    flems.io

    • FreeOpen Source
    • Online
    • Self-Hosted

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

    Screenshot
  10. HTCSJS (HTmlCSsJS) icon

    HTCSJS (HTmlCSsJS)

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • Windows Phone
    • iPad
    • jsFiddle
    • JS Bin
    • CodePen

    HTCSJS is an online HTML, CSS and JavaScript coding tool. It functions on mobile (unlike JSFiddle), and allows any* external resources. It also allows pasting on iOS, unlike many others.

    Screenshot
Showing 10 of 17 alternatives