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

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  • 1
    A cross-browser Document Object Model inspector based upon the successful DOM Inspector provided with Firefox.
    Downloads: 0 This Week
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  • 2
    Lio is a javascript logger. There is only one file to solute any thing about log.
    Downloads: 0 This Week
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  • 3
    Logger For JavaScript , Via Java Applet or HTML Div or status bar or alert .
    Downloads: 0 This Week
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  • 4
    The Open Log Engine is a powerful tool for advanced logging in games or programs. It easily allows you to make logging outputs in your program and analyse them afterwards with the Open Log Viewer, which provides you a powerful filtering system.
    Downloads: 0 This Week
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  • 5

    PHP Bug Lost

    PHP Console for debug and monitoring websites

    PBL (aka PHP Bug lost) is a simple one-file script for use in any php websites that offers a console for debug and monitoring on your broser. It's based on FirePHP and PHP Quick Profiler. You can send log messages to the console, view SQL Querys, memory usage, list of user and server vars, files included, automatic detection of ajax request (like FireBug)... etc. Also PBL can send emails to the admin when a sql query fail or the app are using more memory or time that allowed. You can configure this. PBL don't have dependencies. It automatically generate all the HTML, JS and CSS code for show the console on your browser.
    Downloads: 0 This Week
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  • 6
    Project that allows you to edit various files on a server through your web browser. Has syntax highlighting, and eventually will beable to debug php files through it's interface You can see a sample here: http://www.phpwebbug.org/TestClient/
    Downloads: 0 This Week
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  • 7
    We develop a PHP application server, web application framework and a suite of web apps along with a set of tools (based on Eclipse) to configure the app server and web apps and build the site. Also included are FCKeditor, The GIMP, and AMP+Eclipse.
    Downloads: 0 This Week
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  • 8
    RegExpresso is a "regular expressions" tester, designed to integrate well into modern web browsers. Though it has few features compared to commercial products, it should be usefull to any programmer who uses regular expressions.
    Downloads: 0 This Week
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  • 9
    Unus is a framework that gives developers a powerful, simple to use tool, with many advanced features that are seen in enterprise level applications.
    Downloads: 0 This Week
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  • 10
    Ve-EDIT is a webbased sourcecode editor. It has syntax highlighting, a debugger (PHP, XML) , FTP & CVS client and more.....
    Downloads: 0 This Week
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  • 11
    Vorlon.JS

    Vorlon.JS

    A new, open source, extensible, platform-agnostic tool

    An open source, extensible, platform-agnostic tool for remotely debugging and testing your JavaScript. Powered by node.js and socket.io. Install Vorlon.JS and add a single line of JavaScript to your web app. Run your server and start the Vorlon.JS dashboard. Remotely connect up to 50 devices simultaneously. Run your code on each or all of them with a single click. Debug JavaScript on nearly any platform with a web environment. Plugins allow you to add new features and resources. You could also download the desktop version of Vorlon. It is a standalone executable working on Windows and MacOS. By default Vorlon.JS application logs with debug level and files are stored in the installation folder.
    Downloads: 0 This Week
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  • 12
    Xun Bug

    Xun Bug

    A tool can debug and profile javascript in multi mobile browsers

    Xun Bug is an application for debug and profiling javascript code. It is a powerful tool supports most of mobile browser such as iPhone,Android,BlackBerry,Windows Mobile and Symbian. There is no need to install plugins in your browser. With the debug tool of Xun bug,you can set breakpoint,watch call stacks,step and resume,watch expressions and so on. With the profile tool of Xun bug, you can get the javascript function call tree and every call's time ,you can also get the statistic of function calls.
    Downloads: 0 This Week
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  • 13
    babel-plugin-styled-components

    babel-plugin-styled-components

    Improve the debugging experience and add server-side rendering support

    This plugin is a highly recommended supplement to the base styled-components library, offering some useful features. Consistently hashed component classNames between environments (a must for server-side rendering). Better debugging through automatic annotation of your styled components based on their context in the file system, etc. Various types of minification for styles and the tagged template literals styled components uses.
    Downloads: 0 This Week
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  • 14
    chrome-remote-interface

    chrome-remote-interface

    Chrome Debugging Protocol interface for Node.js

    chrome-remote-interface is a Node.js library that provides a convenient interface for interacting with the Chrome DevTools Protocol, allowing developers to control and instrument Chromium-based browsers programmatically. The project exposes browser debugging and automation capabilities through a straightforward JavaScript API that abstracts the underlying DevTools protocol commands and events. By connecting to a running browser instance with remote debugging enabled, developers can inspect network activity, manipulate pages, capture screenshots, automate navigation, and analyze performance metrics. The library is commonly used for building browser automation scripts, testing tools, web scraping systems, and custom developer tooling that interacts directly with Chrome internals. Unlike higher-level tools such as Puppeteer, Chrome Remote Interface focuses on exposing the raw protocol in a more flexible and transparent way.
    Downloads: 0 This Week
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  • 15
    krexx

    krexx

    kreXX is an object analysis tool for PHP

    kreXX is a php debugger, which displays debug information about objects and variables in it's own draggable debug output. It is actually a fork of Krumo which can be found here: http://krumo.sourceforge.net/ We have used Krumo for some time in our projects, but added more features as we needed them. And so kreXX was created. Usage: After installation just use krexx($object);
    Downloads: 0 This Week
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  • 16
    Java script lightweight logger utility that helps log event messages of different severities debug/info/warn/error. The logs gets inserted into collapsable div (can be toggled to collapse or expand) on the right top corner of the web page.
    Downloads: 0 This Week
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  • 17
    snitch

    snitch

    Snitch injects inline defs in your functions and multimethods

    Snitch is how I debug and understand data flowing through my system. It's not a replacement for a full-fledged debugger, but it's pretty close and will be useful in 90% of the cases. I use it as my sole debugger (in rare cases I reach for print statements).
    Downloads: 0 This Week
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  • 18
    spy-debugger

    spy-debugger

    WeChat debugging, WebView style debugging, and real-machine debugging

    WeChat debugging, various WebView style debugging, real-machine debugging of the page of the mobile browser. Convenient remote debugging of mobile phone page, packet capture tool, supports HTTP/HTTPS, no need for USB connection device. One-stop page debugging and packet capture tool. Remote debugging of any mobile phone browser page, any mobile terminal webview (such as WeChat, HybridApp, etc.) Keep the phone and PC under the same network (for example, connect to the same Wi-Fi at the same time). Enter the command line spy-debugger, follow the command line prompt to open the corresponding address with a browser. Set the HTTP proxy of the mobile phone, the proxy IP address is set to the PC's IP address, and the port is spy-debuggerthe startup port (default port: 9888), and then, install the certificate on the mobile phone. Use the mobile browser to visit the page you want to debug.
    Downloads: 0 This Week
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  • 19
    xn.debug - power of php
    This debugger for PHP gives you the ability to inspect and understand what is going on in your application.
    Downloads: 0 This Week
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  • 20
    z-utalm

    z-utalm

    Unified Test and Logging layer for multiple programming languages

    Modern software systems and application are commonly written in multiple languages, include scripting engines, and are frequently build on multiple specialized frameworks and middleware for a considerable diversity of runtime environments. The latest influencing update in development paradigm is the application of multicore processors. This projects is aimed to unify the required trace and logging output and integrate into debugging environments. The target is to provide general development, test, and production support of software environments based on multiple programming languages for distributed multicore environments.
    Downloads: 0 This Week
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