Useful addons for editing, browsing and managing wikis. A lot of useful things for managing css, an important job for administrators.
Collector's Note The essential tool for viewing and editing css
The Web Developer extension adds various web developer tools to the browser.
Collector's Note Useful for tables, floating objects and css
FireShot Webpage Screenshots captures webpage screenshot entirely (see demo: http://bit.ly/RlBQMV)
The screenshot can be quickly annotated and:
+ Saved as PDF/PNG/GIF/JPEG/BMP
+ Sent to clipboard
IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Collector's Note Easily find colors for use with html/css styling
Show tabs like a tree.
Collector's Note If you many tabs open at once, this can help you navigate them more easily.
CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.
Finds HTML elements matching chosen CSS selector(s) or XPath expression
Dust-Me Selectors is development tool that scans your website to find unused CSS selectors.
Screengrab! saves webpages as images... but not for new versions of Firefox.
FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.
Therefore, Screengrab is EOL.
Pixel Perfect is a Firefox/Firebug extension that allows web developers and designers to easily overlay a web composition over top of the developed HTML.
* Requires Firebug
Pencil is a Firefox add-on to do GUI prototyping and simple sketching
Collections are groups of related add-ons that anyone can create and share.Explore Collections