550 Like Firebug Good alternative? YES NO Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript... Free Open Source Mac Windows Linux Firefox Firefox extension Add a feature Discontinued The Firebug extension isn't being developed or maintained any longer. The team advised to use the built-in https://alternativeto.net/software/firefox-developer-tools/ , which ship with Firebug.next Last version of Firebug, 2.0.18, released October 7, 2016, is still compatible with Firefox, but only if the browser's multi-process architecture is not enabled.
127 Like Google Chrome Developer Tools Alternative? YES NO The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or website, running in Google Chrome.... Free Open Source Mac Windows Linux Chrome HTTPS Support Add a feature
18 Like Firefox Developer Tools Alternative? YES NO Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile. Free Open Source Mac Windows Linux Firefox Based on Firefox Add a feature
28 Like Opera Dragonfly Good alternative? YES NO Opera Dragonfly is a feature of Opera web browser: it is a full-featured development and debugging tool integrated into Opera. It supports debugging JavaScript... Free Mac Windows Linux No features added Add a feature
3 Like SplineTech Javascript Debugger Alternative? YES NO SplineTech JavaScript Debugger is the fastest independent standalone JavaScript Debugger that enables you to debug JavaScript for IE completely independently of any... Commercial Windows No features added Add a feature
1 Like DOMScope Good alternative? YES NO 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... Free Web Responsive design Add a feature
0 Like Flow (type) Good alternative? YES NO 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... Free Open Source Web Self-Hosted No features added Add a feature
0 Like Tiny JavaScript Debugger Alternative? YES NO TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as... Free Open Source Mac Windows Linux Firefox Firefox extension Add a feature
