flems.io Alternatives

Apps similar to flems.io include Replit, which has a free version. Other options are CodePen, jsFiddle, JSPad and JS Bin. There's no shortage of Code Editors like flems.io, with more than 25 alternatives for the web, Android, Mac, Windows and Linux.

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Alternatives
flems.io alternatives page was last updated

Alternatives list

  1. Coding Ground icon
     14 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
    Good alternative?
     
  2. Webmaker - teach your self to code for the web.

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Online
    Good alternative?
     
  3. Playhouse icon
     1 like

    Playground for HTML/CSS/JavaScript.

    Cost / License

    Platforms

    • Linux
    • Flathub
    Good alternative?
     
  4. HTMLhouse icon
     11 likes

    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.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Alerts

    • Discontinued

    Platforms

    • Self-Hosted
    Good alternative?
     
  5. codeboard.io icon
     3 likes

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

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  6. CodeBunk icon
     5 likes

    CodeBunk provides a Realtime Collaborative Editor with Compile/Run. CodeBunk is an Online Compiler/Interpreter for PHP, Python, Ruby, Perl, Lua, Javascript, C, C++. CodeBunk also has Peer-to-Peer Video/Audio chat facility.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  7. CodeJS icon
     2 likes

    CodeJS is a powerful, free online code editor that serves as an excellent alternative to JSBin, CodePen, and JSFiddle. What sets it apart is its unique integration of three AI assistants.

    Cost / License

    • Free
    • Proprietary (MIT)

    Application type

    Platforms

    • Online
    Good alternative?
     
  8. 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. http://shhnowisnottheti.me/demo/

    *varies b/c it uses data URLs

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • Windows Phone
    • iPad
    • jsFiddle
    • JS Bin
    • CodePen
    Good alternative?
     
  9. Blnq Studio icon
     2 likes

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

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • Windows Phone
    • iPad
    • Software as a Service (SaaS)
    Good alternative?
     
  10. Aaditor icon
     2 likes

    Aaditor is World's first HTML editor with drag layout. Aaditor has a function of full screen result. You can change the layout of Aaditor according to your wish. All the html,css and js boxes of Aaditor can be dragged , resized and minimized .

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  11. Agiphi Studio is an AI-native builder platform that empowers developers, startups, and enterprises to design, test, and deploy AI copilots, intelligent workflows, and data-driven applications, all in one unified studio.

    Cost / License

    • Free Personal
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  12. CodeExec icon
     1 like

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

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Self-Hosted
    • PHP
    Good alternative?
     
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