Opera Dragonfly Alternatives

    Opera Dragonfly is described as 'feature of Opera web browser: it is a full-featured development and debugging tool integrated into Opera' and is an app in the Development category. There are eight alternatives to Opera Dragonfly for a variety of platforms, including Windows, Linux, Mac, Google Chrome and Firefox. The best alternative is Google Chrome Developer Tools, which is both free and Open Source. Other great apps like Opera Dragonfly are Firefox Developer Tools (Free, Open Source), SplineTech Javascript Debugger (Paid), Code Cola (Free, Open Source) and Javascript Debugger (Venkman) (Free, Open Source).

    This page was last updated Oct 20, 2021

    1. The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or website, running in Google Chrome.
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    2. Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.


    3. SplineTech JavaScript Debugger is the fastest independent standalone JavaScript Debugger that enables you to debug JavaScript for IE completely independently of any add-ons, plug-ins, Java or any other third-party proprietary tools.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      Code Cola is a chrome extension to editor online pages' style visibility. It helps visual designer, interactive designer, web site operator and other peoples modify the online pages quickly and easily.
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    4. Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.


    5. DOMScope is an online web inspector and debugger for mobile web apps. Like Chrome's DevTools, it allows developers to navigate through the HTML, list applied CSS styles and execute JavaScript code inside any device's browser.
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      • FreeOpen Source
      • Online
      • Self-Hosted
      Flow uses type inference to find bugs even without type annotations. It precisely tracks the types of variables as they flow through your program. Flow is designed for JavaScript programmers. It understands common JavaScript idioms and very dynamic code.
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    6. Omnibug is a plugin for the Google Chrome and Mozilla Firefox browsers to ease developing and debugging web metrics implementations.
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    Showing 8 of 8 alternatives