Whatismyip Requires Restart
Show Your Internet IP Address.This add-on will help you to find the Public Internet IP Address. To show the IP address You Need to enable Add-on bar.Select From view-->Toolbars-->Add-on bars.or use select ctrl+/ .
Today in the Roman Catholic Liturgy Requires Restart
This extension shows you an animated version of the Roman Catholic liturgical cycle in which you can learn the liturgical times, their length and corresponding Gregorian dates.
Stop loading images and other media by default like imglikeopera
DevTools Toolbar Items Requires Restart
Adds a toggle devtools button, a responsive mode button, an eyedropper button, a scratchpad button, a browser Toolbox button, a page source button and a developer toolbar button for easy access.
Save your notes on a specific site.
Launch Programs & External Files directly from your Browser using the new Quick File Launcher Extension. You can add any File Extension (.EXE, .TXT, .JPG, .PDF) and even use Parameters to Edit a File or an Image using your Favorite Editor, and more..
Eat My Cookies Requires Restart
Delete site cookies with one click. Eat My Cookies is the easiest, fastest, and most effective cookie extension for Firefox.
This extension provides a toolbar icon to notify you about unread items in your g2reader account.
pass-manager Requires Restart
Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)
A simple URL shortener provides quick and simple access for generating short URLs from either a link or the current page loaded in the browser via context menus. Results end up being placed into the system clipboard.
Web Security Requires Restart
To inform end users with authenticity of the websites and the web content hope to replace Firefox's identity box and plugin icon.
This addons will help you to stop browsing to porn sites.
This is my first developed addons so, if there any problem please let me know... :)
InstagramSpot Requires Restart
A lightweight instagram profile viewer! InstagramSpot is designed for an easy way to access and view Instagram profiles. It does this by finding an Instagram user based on their ID and redirecting you to their page automatically.
Open an empty tab and enjoy an Islam-themed background image, all five daily prayer times and the time left for the next prayer.
Inline Thumbnail add-on
ユーザースクリプト（Inline Thumbnail）のFirefox Add-on版
FireTrack is an extension which tracks time spent on different websites.
Move tabs to be vertical, and only the favicons. I prefer to use this with the https://addons.mozilla.org/en-US/firefox/addon/restore-empty-favicon/ add-on.
Flex-Pilot-x Requires Restart
A Selenium IDE extension for integrating Flex testing using Flex-Pilot.