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flems.io Alternatives

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 Online / Web-based, Android, Mac, Linux and Windows. The best alternative is CodePen, which is free. Other great apps like flems.io are Replit, jsFiddle, Glitch and JS Bin.

flems.io alternatives are mainly Code Editors but may also be IDEs or Website Builders. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of flems.io.
This page was last updated
  • Online
  • Self-Hosted

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

Learn more about flems.io

  1. CodePen icon

    CodePen

    64 alternatives to CodePen 

    CodePen is a social development environment for front-end designers and developers. 

     Suggest and vote on features
    Features
    1.  Live PreviewInstantly see what your files and documents look like as you create them.
    Screenshot
  2. Replit icon

    Replit

    • Online
    • iPhone
    • Android
    48 alternatives to Replit 

    Replit is a complete, collaborative cloud development environment in the browser featuring everything from linters and debuggers to third-party packages, hosting and deployment.

     Suggest and vote on features
    Features
    1.  Real time collaborationMultiple users can work together in Replit simultaneously.
    2.  Privacy focusedReplit is considered a privacy friendly alternative.
    3.  Command line interfaceReplit either have CLI support or is a CLI-only app.
    4.  Dark ModeReplit supports dark mode for comfortable usage in low light conditions.
    5.  Code FormattingReplit supports code formatting for multiple languages and code styles.
    Screenshot


  3. jsFiddle icon

    jsFiddle

    • FreeProprietary
    • Online
    62 alternatives to jsFiddle 

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

     Suggest and vote on features
    Features
    1.  Live PreviewInstantly see what your files and documents look like as you create them.
    Screenshot
  4. Glitch icon

    Glitch

    • FreemiumProprietary
    • IDE
    • Online
    19 alternatives to Glitch 

    With working example apps to remix, a code editor to modify them, instant hosting and deployment - anybody can build a web app on Glitch.

     Suggest and vote on features
    Features
    The homepage
    The web editor
  5. JS Bin icon

    JS Bin

    • Online
    58 alternatives to JS Bin 

    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.

     Suggest and vote on features
    Features
    Screenshot


  6. kodeWeave icon

    kodeWeave

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS
    • Android Tablet
    52 alternatives to kodeWeave 

    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.

     Suggest and vote on features
    Features
    1.  No registration requiredYou can use most of the features in kodeWeave without registration.
    2.  Real time collaborationMultiple users can work together in kodeWeave simultaneously.
    3.  PortablekodeWeave can be used from a USB stick or similar with no prior installation.
    Discontinued

    On their GitHub page: "As of July 25th 2017 kodeWeave is no longer an active project. All updates as of that date and on are solely contributor based implementations." Last update in November 2019.

    The kodeWeave Web Application
    kodeWeave running on an Android Tablet
  7. Coding Ground icon

    Coding Ground

    • FreeProprietary
    • Online
    50 alternatives to Coding Ground 

    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.

     Suggest and vote on features
    Features
    1.  Support for MarkDownCoding Ground supports MarkDown for document formatting.
    Screenshot
  8. Try It Online (TIO) icon

    Try It Online (TIO)

    • FreeOpen Source
    • Online
    • Self-Hosted
    45 alternatives to Try It Online (TIO) 

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

     Suggest and vote on features
    This app doesn't have any features at the moment.
  9. JSitor icon

    JSitor

    • Online
    • Android
    • iPhone
    • iPad
    • Software as a Service (SaaS)
    • Liveweave
    • jsFiddle
    • JS Bin
    • Plunker
    • CodePen
    59 alternatives to JSitor 

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

     Suggest and vote on features
    Features
    1.  Live PreviewInstantly see what your files and documents look like as you create them.
    2.  AutocompletionJSitor can predict and complete the rest of a word or phrase you're typing.
    Screenshot
    Screenshot
  10. HTMLhouse icon

    HTMLhouse

    • Self-Hosted
    49 alternatives to HTMLhouse 

    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.

     Suggest and vote on features
    Features
    1.  Live PreviewInstantly see what your files and documents look like as you create them.
    2.  No registration requiredYou can use most of the features in HTMLhouse without registration.
    Discontinued

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

    Screenshot
Showing 10 of 18 alternatives
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