flems.io AlternativesCode Editors and other similar apps like flems.io

flems.io is described as 'Flems is a playground for web development. It's ideal for prototyping ideas & sharing working front-end code examples' and is a Code Editor in the development category. There are more than 10 alternatives to flems.io for a variety of platforms, including Web-based, Android, Linux, iPad and iPhone apps. The best flems.io alternative is Replit, which is free. Other great apps like flems.io are jsFiddle, CodePen, JSPad and JS Bin.

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Alternatives list

  1. Replit icon

    Replit

     88 likes

    Replit is a collaborative cloud development environment offering in-browser IDE features like AI assistance, real-time collaboration, Git support, hosting, deployment, syntax highlighting, plugin extensibility, ad-free UI, dark mode, and live code sharing.

    91 Replit alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Replit screenshot 1
     

    • Replit is the most popular Web-based, Android, iPhone & iPad alternative to flems.io.

    • Replit is the most popular free alternative to flems.io.

    • Replit is Freemium and Proprietaryflems.io is Free and Open Source
    • Replit is Privacy focusedflems.io is not according to our users
  2. jsFiddle icon

    jsFiddle

     143 likes

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

    75 jsFiddle alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    jsFiddle screenshot 1
     
  4. CodePen icon

    CodePen

     119 likes

    CodePen is a communal front-end development platform providing real-time HTML, CSS, and JavaScript previews. Users can build projects, test code, and enhance skills through challenges. Features include Presentation Mode for conferences and a vast active community for sharing and discovery.

    68 CodePen alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Online
    Auto Updating Previews: As you code, the preview updates automatically. Unless you don't want it to.
     
  5. Ad
    Screenshot
    Replit icon
    Replit

    Replit is a collaborative cloud development environment offering in-browser IDE features like AI assistance, real-time collaboration, Git support, hosting, deployment, syntax highlighting, plugin extensibility, ad-free UI, dark m...

    https://replit.com
    Learn More
  6. JSPad icon

    JSPad

     9 likes

    JSPad is a fast and lightweight online code editor for writing, testing, and previewing HTML, CSS, and JavaScript snippets instantly.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    JSPad screenshot 1
     
  7. JS Bin icon

    JS Bin

     65 likes

    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.

    63 JS Bin alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source (MIT)

    Application types

    Alerts

    • Discontinued

    Platforms

    • Online
    JS Bin screenshot 1
     

    • JS Bin is the most popular Open Source alternative to flems.io.

    • JS Bin is Freemium and Open Sourceflems.io is Free and Open Source
  8. kodeWeave icon

    kodeWeave

     25 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS
    • Android Tablet
    The kodeWeave Web Application
     

    • kodeWeave is the most popular Windows, Mac & Linux alternative to flems.io.

    • kodeWeave is Free and Open Sourceflems.io is also Free and Open Source
  10. Codewith.it icon

    Codewith.it

     4 likes

    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.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    HTML, CSS and JS codes editors generate a preview on right window, with element inspector
     
  11. JSitor icon

    JSitor

     19 likes

    JSitor is an online tool for testing and showcasing user-created and collaboration HTML, CSS, JavaScript and NodeJS snippets.

    66 JSitor alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    • Software as a Service (SaaS)
    • Liveweave
    • jsFiddle
    • JS Bin
    • Plunker
    • CodePen
    JSitor screenshot 1
     

    • JSitor is the most popular SaaS alternative to flems.io.

    • JSitor is Free and Proprietaryflems.io is Free and Open Source
  12. fastpen icon

    fastpen

     2 likes

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

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    Desktop view
     
  13. Coding Ground icon

    Coding Ground

     15 likes

    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.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Coding Ground screenshot 1
     
  14. Try It Online (TIO) icon

    Try It Online (TIO)

     11 likes

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

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
     

    • Try It Online (TIO) is the most popular Self-Hosted alternative to flems.io.

    • Try It Online (TIO) is Free and Open Sourceflems.io is also Free and Open Source
  15. Playhouse icon

    Playhouse

     1 like

    Playground for HTML/CSS/JavaScript.

    Cost / License

    Platforms

    • Linux
    • Flathub
    Playhouse screenshot 1
     
12 of 23 flems.io alternatives