Alternatives to Opera Dragonfly for all platforms with any license

Platforms

Desktop

Web / Online

Browsers

Indie / Classic

Other Platforms

  • Firebug icon

    Firebug

    Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and...

    Open Source Mac Windows Linux Firefox

  • Google Chrome Developer Tools icon

    Google Chrome Developer Tools

    The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or...

    Open Source Mac Windows Linux Chrome

  • Web Developer icon

    Web Developer

    The Web Developer extension adds a menu and a toolbar to the browser with various web developer tools. It is designed for Firefox...

    Open Source Mac Windows Linux Chrome Flock SeaMonkey ... Firefox

  • Javascript Debugger (Venkman) icon

    Javascript Debugger (Venkman)

    Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aims to provide a powerful JavaScript debugging environment...

    Open Source Mac Windows Linux Firefox

  • DOMScope icon

    DOMScope

    DOMScope is an online web inspector and debugger for mobile web apps. Like Chrome's DevTools, it allows developers to navigate...

    Free Web / Cloud

  • SplineTech Javascript Debugger icon

    SplineTech Javascript Debugger

    SplineTech JavaScript Debugger is the fastest independent standalone JavaScript Debugger that enables you to debug JavaScript for IE...

    Commercial Windows

  • Code Cola

    Code Cola is a chrome extension to editor online pages' style visibility. It helps visual designer, interactive designer, web site...

    Open Source Mac Windows Linux