Add-ons
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SMS Sidebar
Requires Restart
If you work in front of a computer and send a lot of SMS text messages this is for you. Finally you can send SMS from the privacy of your Mozilla application. The focus of this addon is on efficiency, ease of use and easy access to advanced SMS featu...
sms77
SMSalias MozClient
Requires Restart
SMSalias is a Firefox/Thunferbird extension that enables you to send SMS messages directly from Browser/email application...
SMTP Control
Requires Restart
SMTP Control is a Thunderbird Add-ons offering dynamic selection of outbond SMTP server while sending a message.
By default thunderbird offer the ability to define a list of SMTP servers. With one global default server for all email accounts or one ...
SMTP Switch Reborn
SmtpSelect
Requires Restart
A toolbar button providing easy access to choosing the default SMTP server in Thunderbird.
SmtpSwitch
Requires Restart
SmtpSwitch allows to choose the smtp server when clicking on the 'Send' button.
Snakes by Bluemods
Classic Snakes game at your fingertips.
Snakes by Bluemods is a free-to-play single-player classics arcade game designed and developed by Justin Gates at Bluemods.com. The game allows the players to maneuver a snake made up of tiny squares.
Soapy
Requires Restart
Bypasses DNS-based censorship
NOTE: This was created as a SOPA protest in 2012. This does not work anymore for most sites. Use Tor instead.
Solpets Quick Button
Requires Restart
A quick button link to the virtual pet site, Solpets.com.
Sort and Search Customization Dialogs
Requires Restart
Sort and search for buttons in (any) toolbar customization dialog
SortPref
Requires Restart
Adds the ability to control primary, default sorting and threading options.
SortRecipients
Requires Restart
SortRecipients lets you alphabetically sort the recipients lists (To/Cc) when composing a message, simply by clicking the Sort button, which it adds to the Compose window toolbar.
SoundPlus
Requires Restart
SoundPlus customizes the sound that is played when a new message arrives for a particular contact in the address book, similar to mobile phones. There is also a variation that is played when a message arrives and it is a continuation of a thread.
South African English spell checker
Requires Restart
The South African English spell checker allows you to use place names, borrowed words, and other expressions that are unique to South Africa.
"No more eina, just a lekker spell checker!"
Spacebar Clicker
With Spacebar Clicker, gamers can now test their spacebar speed within the browser. Every gamer can install the extension and practice to increase how many times they press the spacebar.
SPAM Check for OCN
- SPAM Header Checker for OCN(Japanese Internet Provider)
- This plugin looks at the header of the mail and assigns a "junk mail" mark.
- Only if the header (X-CON-SPAM-CHECK) of the mail is set to 100%, it will be marked as "spam".
Spam Scores
Displays spam scores according to mail headers. Supports spam/ham score headers of Rspamd, SpamAssassin and MailScanner. The add-on adds a column with the overall spam score to the mail list view and shows details of any matched spam/ham rule.
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