Xdebug Error Toggler
Xdebug Error Toggler is a Firefox extension that places a button on the Add-On bar, enabling users to easily toggle Xdebug's error messages in their ...

XPERIA Z
XPERIA Z is a cool persona for the Mozilla Firefox web browser, that features the theme for the XPERIA Z mobile phone.

XPath Prototyping
XPath Prototyping is a Firefox extension that provides easy a XPath input field at the bottom of each page or frame for mining JSON or ...

xultray for gecko 1.9.2 for Thunderbird
xultray for gecko 1.9.2 is a Thunderbird and Firefox extension that runs in the background and implements system tray support for all Xulrunner/Gecko 1.9.2 based ...

xultray for gecko 1.9.2 for Firefox
xultray for gecko 1.9.2 is a Firefox and Thunderbird extension that runs in the background and implements system tray support for all Xulrunner/Gecko 1.9.2 based ...

xmpp4moz for Thunderbird - Hyperstruct
xmpp4moz is a Thunderbird and Firefox extension that implements the XMPP protocol, also known as Jabber, into Mozilla applications.

xSale
xSale is a Firefox extension that adds a floating toolbar with the latest deals, price comparisons and discounts, while you shop online on your favorite ...

xThunder - agunchan
xThunder is a Firefox extension specially designed to act as a graphical interface to popular download tools, such as Thunder, DownThemAll!, Wget, Transmission, cURL, Aria2, ...

xCalendar
xCalendar is a Firefox extension that implements a full calendar under the Add-On bar. It can be used to schedule meetings.

Xtreme Download Manager - Subhra Das Gupta
Xtreme Download Manager is a free, advanced and powerful utility that can be used to increase the download speed with up to 500%.

xss.io DeadDrop
xss.io DeadDrop is a simple Firefox extension that adds a button on the Add-On bar, providing a XSS Payload DeadDrop tool for the xss.io website.

Xavier University for Google Chrome
Xavier University is a Google Chrome and Firefox theme especially designed for serious Musketeers fans. It brings all the latest news from the goxavier.com website ...

Xavier University for Firefox
Xavier University is a Firefox and Google Chrome theme especially designed for serious Musketeers fans. It brings all the latest news from the goxavier.com website ...

X-Forwarded-For Header
X-Forwarded-For Header is a Firefox extension that injects a X-Forwarded-For field into the HTTP request header, in order to fake your IP address.

Xaic Radio
Xaic Radio is a Firefox extension that places a button on the Add-On bar, enabling users to access the the Xaic radio station, which streams ...

Xenotix Keylogger
Xenotix Keylogger is a Firefox extension that will log all your keystrokes. It's able to bypass Key Scrambler and Virtual Keyboard, and it is undetectable ...

Xpunge - Theodore Tegos
Xpunge is an extension that empties the Trash folder and compacts folders in multiple Thunderbird accounts.

XFox Live
XFox Live is a Firefox extension that allows XBox Live users to easily track their friends. It creates a sidebar and adds a button on ...

X-notifier lite (for Gmail, Hotmail, Yahoo) - Byungwook Kang
X-notifier lite (for Gmail, Hotmail, Yahoo) is a Firefox extension that notify users about new email received on their Yahoo, GMail or Hotmail accounts.

XML Viewer - Sarraju Varma Sagi for linux
XML Viewer is a Firefox extension that view XML data from textareas in a readable format.

X-notifier for SeaMonkey
X-notifier is a cross-browser and cross-platform extension designed to notify you about new mails for all your webmail accounts.

X-notifier for Thunderbird
X-notifier is a cross-browser and cross-platform extension designed to notify you about new mails for all your webmail accounts.

X-notifier for Firefox
X-notifier is a cross-browser and cross-platform extension designed to notify you about new mails for all your webmail accounts.

xSearchbarT2 - Philip Chee
xSearchbarT2 is a Thunderbird extension that can restore the search bar that existed in the 1.x branch of the Thunderbird client.