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, iPhone, Mac and Windows apps. The best flems.io alternative is Replit, which is free. Other great apps like flems.io are CodePen, jsFiddle, JS Bin and kodeWeave.

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flems.io alternatives are mainly Code Editors but may also be IDEs or Website Builders.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of flems.io.
flems.io iconflems.io
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Flems is a playground for web development. It's ideal for prototyping ideas & sharing working front-end code examples.

More about flems.io
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flems.io alternatives page was last updated Jun 13, 2023
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  1. Replit icon
    Replit icon

    Replit

     79 likes
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    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.

    61 Replit alternatives
    Replit screenshot 1

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Replit screenshot 1
    Replit screenshot 2
    +1
    Replit screenshot 3

    Properties

    1.  Support for Themes

    Features

    1.  Run code
    2.  Code Completion
    3.  Real time collaboration
    4.  Dark Mode
    5.  Ad-free
    6.  Autocompletion
    7. Git icon  Git Support
    8.  Support for MarkDown
    9.  Support for Bootstrap
    10.  Extensible by Plugins/Extensions
    11.  Code Formatting
    12.  Syntax Highlighting
    Replit iconflems.io Icon

    Replit VS flems.io

    Is Replit a good alternative to flems.io?
     

    • 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
  2. CodePen icon
    CodePen icon

    CodePen

     116 likes
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    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.

    63 CodePen alternatives
    Auto Updating Previews: As you code, the preview updates automatically. Unless you don't want it to.

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    Build Entire Projects: Projects is the most powerful feature of CodePen. It's a full blown IDE right in the browser, with automatic preprocessing, drag and drop uploading, live previews, website deployment, and much more.
    Support For the Way You Code: The CodePen Editor is highly customizable. There is autocomplete and Emmet for speed and accuracy. Plus you can set up smart defaults for starting new work.
    +4
    Keep Your Pens Private: Nobody can see your private stuff until you want them to, because they are at secret unguessable, non-searchable, non-indexable URLs.

    Properties

    1.  Support for Themes

    Features

    1.  Live Preview
    2.  Running code
    3.  Sandbox
    4.  HTML/CSS/JS rendering
    5.  Code Formatting
    6.  Autocompletion
    7.  Syntax Highlighting
    8.  No registration required
    9.  Extensible by Plugins/Extensions
    10.  Support for MarkDown
    11.  Dark Mode
    12.  Real time collaboration
    CodePen iconflems.io Icon

    CodePen VS flems.io

    Is CodePen a good alternative to flems.io?
     
  4. jsFiddle icon
    jsFiddle icon

    jsFiddle

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

    70 jsFiddle alternatives
    jsFiddle screenshot 1

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Online

    Properties

    1.  Lightweight

    Features

    1.  Live Preview
    2.  Live coding
    3.  Sandbox
    4.  HTML/CSS/JS rendering
    5.  Text editing
    6.  Realtime development
    jsFiddle iconflems.io Icon

    jsFiddle VS flems.io

    Is jsFiddle a good alternative to flems.io?
     
  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. JS Bin icon
    JS Bin icon

    JS Bin

     64 likes
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    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.

    62 JS Bin alternatives
    JS Bin screenshot 1

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Online

    JS Bin Features

    1.  Run code
    2.  Mobile friendly
    Discontinued

    Last GitHub commit on Oct 2021.

    JS Bin iconflems.io Icon

    JS Bin VS flems.io

    Is JS Bin a good alternative to flems.io?
     

    • 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
  7. kodeWeave icon
    kodeWeave icon

    kodeWeave

     25 likes
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    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.

    57 kodeWeave alternatives
    The kodeWeave Web Application

    License model

    • Free • Open Source

    Application types

    Platforms

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

    kodeWeave Features

    1.  No registration required
    2.  Portable
    3.  Real time collaboration
    4.  Debugging
    kodeWeave running on an Android Tablet
    kodeWeave running on an Android Phone
    +7
    kodeWeave comes preloaded with loads of libraries to choose from! (and has font-awesome built in ;) )
    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.

    kodeWeave iconflems.io Icon

    kodeWeave VS flems.io

    Is kodeWeave a good alternative to flems.io?
     

    • 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
  8. Glitch icon
    Glitch icon

    Glitch

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

    21 Glitch alternatives
    The homepage

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    The web editor

    Glitch Features

    1.  Live Preview
    2.  Cloud Servers
    3.  Cloud IDE
    4.  Private repositories
    5.  Community-based
    6.  File Storage
    7.  Dedicated Server Hosting
    8. Node.js icon  Support for Node.js
    9. GitHub icon  GitHub Integration
    Glitch iconflems.io Icon

    Glitch VS flems.io

    Is Glitch a good alternative to flems.io?
     
  10. Codewith.it icon
    Codewith.it icon

    Codewith.it

     4 likes
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    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.

    57 Codewith.it alternatives
    HTML, CSS and JS codes editors generate a preview on right window, with element inspector

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Online
    Codewith.it code playground home page
    The JavaScript console for code debugging with suggestions

    Codewith.it Features

    1.  Live Preview
    2.  Autocompletion
    3.  Inspect Element
    4.  Syntax Highlighting
    5.  Code Formatting
    Codewith.it iconflems.io Icon

    Codewith.it VS flems.io

    Is Codewith.it a good alternative to flems.io?
     
  11. JSitor icon
    JSitor icon

    JSitor

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

    63 JSitor alternatives
    JSitor screenshot 1

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    • Software as a Service (SaaS)
    • Liveweave
    • jsFiddle
    • JS Bin
    • Plunker
    • CodePen
    JSitor screenshot 1
    JSitor screenshot 2
    +9
    JSitor screenshot 3

    JSitor Features

    1. Node.js icon  Support for Node.js
    2.  Live Preview
    3.  Rich text editing
    4.  Support for ReactJS
    5.  Autocompletion
    6.  Sandbox
    7.  Tablet support
    8.  Mobile friendly
    9.  Console view
    JSitor iconflems.io Icon

    JSitor VS flems.io

    Is JSitor a good alternative to flems.io?
     

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

    • JSitor is Free and Proprietaryflems.io is Free and Open Source
  12. Try It Online (TIO) icon
    Try It Online (TIO) icon

    Try It Online (TIO)

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

    48 Try It Online (TIO) alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    Try It Online (TIO) iconflems.io Icon

    Try It Online (TIO) VS flems.io

    Is Try It Online (TIO) a good alternative to flems.io?
     

    • 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
  13. Coding Ground icon
    Coding Ground icon

    Coding Ground

     15 likes
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    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.

    54 Coding Ground alternatives
    Coding Ground screenshot 1

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Online

    Coding Ground Features

    1.  Support for MarkDown
    2.  Web-Based
    Coding Ground iconflems.io Icon

    Coding Ground VS flems.io

    Is Coding Ground a good alternative to flems.io?
     
  14. HTMLhouse icon
    HTMLhouse icon

    HTMLhouse

     13 likes
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    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.

    53 HTMLhouse alternatives
    HTMLhouse screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Self-Hosted

    HTMLhouse Features

    1.  Live Preview
    2.  No registration required
    3.  Live css editing
    Discontinued

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

    HTMLhouse iconflems.io Icon

    HTMLhouse VS flems.io

    Is HTMLhouse a good alternative to flems.io?
     
  15. HTCSJS (HTmlCSsJS) icon
    HTCSJS (HTmlCSsJS) icon

    HTCSJS (HTmlCSsJS)

     4 likes
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    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

    46 HTCSJS (HTmlCSsJS) alternatives
    HTCSJS (HTmlCSsJS) screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • Windows Phone
    • iPad
    • jsFiddle
    • JS Bin
    • CodePen
    HTCSJS (HTmlCSsJS) screenshot 1
    HTCSJS (HTmlCSsJS) screenshot 2
    +4
    HTCSJS (HTmlCSsJS) screenshot 3
    HTCSJS (HTmlCSsJS) iconflems.io Icon

    HTCSJS (HTmlCSsJS) VS flems.io

    Is HTCSJS (HTmlCSsJS) a good alternative to flems.io?
     
12 of 21 flems.io alternatives