dir

Firebug-like dir() for Node.
v0.1.2 URL: https://unpkg.com/dir@0.1.2/dir.js
OpenBrowse Files
dirshellfirebugutilinspect

css-xpath

Translate CSS rules in to XPath expressions.
v1.0.0 URL: https://unpkg.com/css-xpath@1.0.0/index.js
OpenBrowse Files
xpathcssfirebugxpath-expressionscss-selectors

firebug-lite-ie

Firebug Lite for IE: doing the Firebug way on ancient IE.
v1.5.3 URL: https://unpkg.com/firebug-lite-ie@1.5.3/build/firebug-lite-debug.js
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firebugfirebug-litefirebug-lite-iejavascriptlibrary

uiconsole

Web developer tools for testing, scripting and debugging on remote devices.
v0.1.21 URL: https://unpkg.com/uiconsole@0.1.21/uiconsole.js
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webhtml5firebugweinretapjavascriptwebappcssremotemobilegremlinshtml2canvaseasyui

potent-tools

A port, package and unit testing of Firebug's XPath parsing and processing tools.
v2.2.6 URL: https://unpkg.com/potent-tools@2.2.6/index.js
OpenBrowse Files
xpathxmlcssfirebugdomjsdomxpath-expressionscss-selectorspathevaluate