Browse free open source JavaScript Code Editors and projects below. Use the toggles on the left to filter open source JavaScript Code Editors by OS, license, language, programming language, and project status.

  • Compliant and Reliable File Transfers Backed by Top Security Certifications Icon
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  • 1
    Original code by Danie Linsley : http://danielinsley.com/entries/general/tinymce-syntax-highlighted-code-editor It is a useful plugin for TinyMCE (WYSIWYG HTML editor) that adds up the ability to color your code. Here is the french localization.
    Downloads: 0 This Week
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  • 2
    UIkit

    UIkit

    Lightweight modular front-end framework for developing web interfaces

    A lightweight and modular front-end framework for developing fast and powerful web interfaces. UIkit will work on pretty much any modern browser. Using UIkit works best if you have a solid code editor, for example Sublime Text or Atom. To be even more efficient, we recommend that you install one of the autocomplete plugins for your favorite IDE or code editor. This saves a lot of time, as you won't have to look up and type all UIkit classes and markup. To use UIkit's CSS and JavaScript, include the files in your own HTML and then create the markup of any of the components. When you have installed UIkit with Less sources, you can compile it and add your own custom theme. Less is the language that the UIkit styles are written in. This allows you to include customizations in the build process, rather than manually overwriting a lot of CSS rules by hand.
    Downloads: 0 This Week
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  • 3
    VvvebJs

    VvvebJs

    Drag and drop website builder javascript library

    Drag and drop website builder javascript library. Components and blocks/snippets drag and drop. Undo/Redo operations. One or two panels interface. File manager and component hierarchy navigation. Add a new page. Live code editor. Image upload with example PHP script included. Page download or export HTML or save the page on the server with example PHP script included. Components/Blocks list search. Bootstrap 4 components. Youtube, Google maps, Charts.js, etc widgets. By default, the editor comes with Bootstrap 4 and Widgets components and can be extended with any kind of components and inputs.
    Downloads: 0 This Week
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  • 4
    WideW - WebIDEWeb

    WideW - WebIDEWeb

    Web IDE in single HTML file

    IDE written in a single HTML file that runs on the browser tab. There is no need to install, download a single file and run anywhere. To change the initial configuration, edit the widew.html file in the last lines. * Widew use CodeMirror components in code editor. URLs: https://soluc.org/widew https://widew.sourceforge.io
    Downloads: 0 This Week
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  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

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  • 5
    ZCore is a set of Creative Studio for designing, testing, building ... solutions based on .NET framework. Contains UML designs tools, code editor & build tools, debug & test tools, user interface create tools ...
    Downloads: 0 This Week
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  • 6
    ** We moved ** Website: http://ecoder.info/ Github: https://github.com/Ecoder/Core Google Group (support): https://groups.google.com/d/forum/ecoder-support
    Downloads: 0 This Week
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  • 7
    A web-based code editor using JavaScript
    Downloads: 0 This Week
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  • 8

    qxotica - tools for qooxdoo

    Tools for developing qooxdoo Web apps

    Includes a package for the Lazarus IDE that adds items to the File | New dialog. Selecting "qooxdoo JavaScript App" creates either a single-page or two-page master-detail qooxdoo app and a Lazarus project for managing and editing the app's JavaScript files. Selecting "qooxdoo JavaScript Page" adds a page to the app and to the Lazarus project. Can also "compile" (run generate.py) from within Lazarus - if a syntax error is detected, the code editor jumps to the JavaScript file and line where the error is located. Also includes full source code for the Unicodum demo app. This is a Unicode viewer consisting of a qooxdoo-based mobile client and a choice of Pascal (FCGI) or PHP server app.
    Downloads: 0 This Week
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  • 9
    wfCodeEditor

    wfCodeEditor

    A simple portable Code Editor for any language

    A simple portable Code Editor for any language. Signed application. View a preview of features here - https://wyntonfranklin.github.io/wfcodeeditor/ Embeded snippets for various languages Add your snippets Add your task wfTutorials right at your fingertips Feature a dark mode Portable Simple Command line interface Works with various languages (PHP, JAVA, Javascript, Python)
    Downloads: 0 This Week
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    AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
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