Candy Tabs makes your Firefox browser a thing of beauty and elegance, differentiating each open tab with a color which helps distinguish your browsing so you always know which tab you want to select.
Linkspy
This add-on lets you create a short URL for the current page or selected link using the URL shortener of your choice.
TheResponsiveCV
Create professional responsive print friendly CV’s in minutes, free with the simple editor powered with instant preview.
Link Ninja
Link Ninja allows you to swiftly select multiple links by opening a selection rectangle with your mouse. Once your selection is complete a configurable action can be applied to the result. Targeting Rules can be specified to constraint the selection.
Keyword Search
What does Keyword Search do? It allows you to search in the awesome bar without changing your search engine. Do away with the search box and slim down the Firefox browser.
CCK2 Wizard
Need to customize Firefox? With the CCK2 Wizard, you can create custom Firefox configurations that can be installed as extensions or deployed with AutoConfig.
copy-code
Need help working with technical docs? This add-on for Firefox allows to copy code block with a right click rather than selecting and copying codes.
Google Hangouts
With Google Hangouts you can connect with friends and family while you browse internet. It brings conversations to life with photos, emoji, and even group video calls for free!
Wappalyzer
Wappalyzer is a browser extension that uncovers the technologies used on websites. It detects content management systems, eCommerce platforms, web servers, JavaScript frameworks, analytics tools and many more.
Tab Data
Need to know specific statistics about your tabs? Tab Data will provide you with tab related statistics and data. I could see this being helpful for counting webpages, bookmarks or even being helpful for other add-on authors.
