Miscellaneous

Subscribe

ToggleReplied Requires Restart

Enables toggling of Replied/Forwarded states of messages.

Rated 5 out of 5 stars (9)
218 users

UnMHT

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 4 out of 5 stars (300)
338 users

Restart App Button

Restart the current application, as you might need to do after installing a new extension or theme.

Rated 5 out of 5 stars (6)
82 users

Filter Uploader for Adblock Plus (unofficial) Requires Restart

DOES NOT BLOCK ADS! Don't install this add-on if you don't know what 'uploading' means!

This add-on Uploads the filters from your Adblock Plus installation to a FTP, HTTP, HTTPS server...

Rated 5 out of 5 stars (19)
0 users

MinimizeToTray Requires Restart

Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...

Rated 4 out of 5 stars (464)
4 users

OverbiteFF Requires Restart

Add legacy protocol support back to Firefox and SeaMonkey with OverbiteFF, which restores support for Gopher servers, plus CSO/ph searches, finger, whois and more! Cross-platform JavaScript runs anywhere Firefox does.

Rated 5 out of 5 stars (22)
59 users

ToneQuilla Requires Restart

Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.

Rated 4 out of 5 stars (25)
1,077 users

Quitomzilla Requires Restart

Quitomzilla helps you quit smoking while you surf the web or wait for new emails, showing the cigarettes, money and time you have saved since you quit...

Rated 5 out of 5 stars (18)
7 users

TabSubmit

Lets the user direct the submission of a form to a new tab or window. [Bug #17754]

Rated 5 out of 5 stars (14)
7 users

Standalone SeaMonkey Mail

Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.

Rated 5 out of 5 stars (5)
161 users

Focus Regainer Requires Restart

Return focus from embedded object back to browser on browser hotkeys pressed.

Rated 5 out of 5 stars (20)
4 users

ChatZilla Requires Restart

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Rated 4 out of 5 stars (150)
26,839 users

PONG! Multiplayer Requires Restart

Play a game of PONG! while you are waiting.

Rated 5 out of 5 stars (7)
0 users

Copy Sent to Current Compatible with Firefox 57+

Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.

Rated 4 out of 5 stars (70)
3,075 users

Focus Regainer Lite Requires Restart

Return focus from embedded object back to browser on browser hotkeys double pressed.

Rated 5 out of 5 stars (8)
1 user

Clean Subject Requires Restart

"Clean Subject" cleans the subject from multiple occurrences of subject prefixes such as ("Re: Re-2: Re:") and postfixes that are inserted by other clients. Words like "[SPAM]" can be cleaned as well. These prefixes can be defined in the preferences.

Rated 4 out of 5 stars (44)
929 users

Copy As Plain Text Requires Restart

Removes formatting from copied text.

Rated 4 out of 5 stars (58)
403 users

AutoProxyMod Requires Restart

Based on original AutoProxy!

Rated 5 out of 5 stars (10)
4 users

Join-NG Requires Restart

Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".

Rated 5 out of 5 stars (4)
2,888 users

Lightbird Requires Restart

Standalone calendar UI for Lightning

Rated 4 out of 5 stars (20)
1,528 users