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TheRealURL
Requires Restart
Get URL information: expand short URLs, get title and content type information without visiting the site.
UPDATE, AUG 2013: THIS EXTENSION IS NO LONGER SUPPORTED. The source is open - if you wish to take on the development, you're welcome.
Trueblock Plus
Requires Restart
Trueblock Plus is a fork of the Adblock Plus extension for blocking unwanted advertisements on the web. This fork provides the exact same features as Adblock plus, with the unpopular, unwanted "acceptable ads" (non-)feature turned off by default.
Pydio for Filelink
Requires Restart
Adds support to use Mozilla Filelink with an Pydio account.
Chat RTL
Requires Restart
Fixing the Chat so it would support RTL languages (i.e. Hebrew, Arabic) better.
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...
Text size toolbar
Requires Restart
Adds text size buttons to the toolbar. This has now been superseded by the Zoom toolbar https://addons.mozilla.org/en-US/firefox/addon/6118
Alphanumerator
Requires Restart
Convert alphanumeric phone numbers to just numbers. Simply highlight the text, right-click it, and click "Alphanumerate". For example, 1-800-PICK-UPS would be converted to...
Report Spam
Requires Restart
Report spam is a Thunderbird plugging to report antispam errors. A new button is added to header tool bar in order to signal a message as a false positive (a ham that is tagged as spam) or a false negative (a spam not tagged as spam).
Task Me (activity logger)
Requires Restart
Activity logger (sampled task monitoring) which uses calendar to store user's activities.
It periodically displays window with textbox where user can put description of currently performed tasks. The description is saved in a calendar.
Address book synchronizer between Memotoo.com and Thunderbird
Requires Restart
Synchronize your address book between Mozilla Thunderbird and Memotoo.com !...
NestedQuote Remover
Zhong Wen
Requires Restart
Mouse over a Chinese character to find out it's meaning. A popup will appear showing the 'Pinyin' pronunciation, the simplified character form, and the English translation. You can customize what parts to show on the preferences window.
Timeline
QuickFilter Unreplied
Requires Restart
Battered with Emails? Need to sort them out? This extension adds a button to the Quick Filter toolbar that shows only unreplied emails. The extension works instantly, just install and look at your Quick Filter toolbar.
Signature Fixer
External Email Alert
Requires Restart
Alerts user to confirm that it is ok to send an external email.
Massey Omura Cryptosystem
Requires Restart
Add On Keamanan EMail dengan Massey Omura Cryptosystem
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