Add-ons
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Right Click Watch Ignore
Requires Restart
Adds "Watch Thread" and "Ignore Thread" to right click context menu in Thunderbird and Seamonkey.
Right Encoding
rikaichan
Requires Restart
Japanese to English/German/French/Russian dictionary. Just hover the mouse on top of a word, and a popup appears. Automatically de-inflects verbs and adjectives. Detailed kanji view...
Rikaichan Japanese-Dutch Dictionary File
Requires Restart
This is a dictionary file add-on for the Rikaichan extension.
Rikaichan Japanese-English Dictionary File
Requires Restart
This is a dictionary file add-on for the Rikaichan extension.
Rikaichan Japanese-Hungarian Dictionary File
Requires Restart
This is a dictionary file add-on for the Rikaichan extension.
Rise of the Tools
RM: EXTERNAL:
Requires Restart
Removes 'EXTERNAL: ' from the start of an email subject if it is preceded by 'RE:' or 'FWD:' (case insensitive). The removal is done after the 'Send' button is pressed.
rmIncomingDups
Requires Restart
rmIncomingDups is a Thunderbird extension that checks if there are duplicate messages across accounts.
When a new mail arrives rmIncomingDups checks according to the rules configured if it finds some duplicates and removes them.
Rspamd-spamness
RSS Dashboard
Requires Restart
This addons gives you a dashboard-style view of your RSS feeds, like iGoogle or Netvibes (widget view). This is an experiment, so it is still very rough. Right now, consider this as a proof-of-concept rather than a real addon.
RSS Linkify Subject
Requires Restart
Linkify Subject header with Content-Base URL when viewing RSS item to easily open it in...
RT Archive Emails to Sugar & SuiteCRM
Archive Emails from Thunderbird to a Sugar or SuiteCRM record of your choice with RT Archive Email.
You can archive one or more emails, along with their attachments, to a Contact, Lead, Account, Opportunity, or Project.
Ruler BarTo create your own collections, you must have a Mozilla Add-ons account.
