Add-ons
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CallingID Link Advisor
Requires Restart
CallingID Link Advisor verifies the links you see in Firefox and Thunderbird are safe before you follow them. When the mouse is placed over any link a risk assessment and the full details of the site owner are displayed, helping you evaluate the...
CannaFox Marijuana Add-On
Requires Restart
SeedFinders CannaFox Marijuana Add-On connects the threads from 38+ homegrow forums worldwide with more than 4500 medical marijuana strains. You also can search and browse through seedfinders cannabis-strain-database directly from your sidebar.
CantoFish
Requires Restart
CantoFish is a popup Cantonese-English dictionary for Firefox. It contains over 200,000 entries and works with both traditional and simplified Chinese characters. The Yale and Jyutping romanization systems are supported, as well as Mandarin pinyin.
Cat Attack Quick Button
Requires Restart
Easily visit the site for The Cat Attack Fishing Tournament.
CensureBlock
Certificate Patrol
Requires Restart
Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.
Change
Requires Restart
In-page Currency Conversion Extension for Thunderbird and Firefox...
Change Referer Button
Requires Restart
Button in the toolbar/status bar to change referer value.
Channel Guard
Requires Restart
Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.
Character Palette
Requires Restart
Firefox toolbar for selecting strange characters that are not on my keyboard.
Charset Switcher
Requires Restart
Supports to customize the Default Character Encoding for each sites.
ChatZilla
Requires Restart
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
ChatZilla zh-CN Language Pack
Requires Restart
ChatZilla zh-CN language pack for ChatZilla 0.9.92
Check for Updates in Help Menu
Requires Restart
Adds a 'Check for Updates' entry to the Help menu.
CheckBoxMate Lefedor Edition
Requires Restart
Check multiple checkboxes by drawing a rectangle around them. FF6 version.
I've made this version since i did need it for use with RTM,
CipherFox
Requires Restart
Displays the current SSL/TLS cipher, protocol and certificate chain in the Add-on bar and Site ID dialog
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