Miscellaneous

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AutoPager Fixed Requires Restart

AutoPager Fixed is a working version of AutoPager extension for Firefox 36+ (non-E10s mode) to autoload the next page(s) when you scroll pages.

ATTENTION: DISABLE THE ORIGINAL AUTOPAGER ADDON!

Rated 3 out of 5 stars (51)
6,850 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)
6,592 users

PlayFlash 64bit Requires Restart

Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.

Rated 5 out of 5 stars (21)
6,365 users

XDM Hook Requires Restart

XDM integration module for Firefox

Rated 5 out of 5 stars (4)
5,865 users

Toggle Word Wrap Requires Restart

Toggle word wrapping and PRE element wrapping in the message composition and HTML display windows, respectively.

Rated 4 out of 5 stars (43)
5,517 users

Quote Colors Requires Restart

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

Rated 4 out of 5 stars (45)
5,170 users

Free Memory Button

Free unused memory that Firefox is currently using.

Rated 3 out of 5 stars (7)
4,232 users

SyncKolab Requires Restart

SyncKolab can synchronize your calendar, address book and tasks against an IMAP server in Kolab formats version 1 (vCard/iCal) or version 2 (XML) or turn your Thunderbird/Lightning into a native Kolab Client (http://kolab.org).

Rated 3 out of 5 stars (75)
4,165 users

AutoProxy-ng Requires Restart

This is a fork of AutoProxy, which can run the latest version of Firefox.

Rated 5 out of 5 stars (30)
4,031 users

Year view Requires Restart

Year view for calendar.

Rated 4 out of 5 stars (47)
3,690 users

Send Filter Requires Restart

This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.

Rated 4 out of 5 stars (37)
3,402 users

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 (39)
3,080 users

about:config Button

Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.

Rated 5 out of 5 stars (5)
3,057 users

Sun Cult Requires Restart

Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...

Rated 5 out of 5 stars (105)
2,943 users

Copy Sent to Current Requires Restart

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 (67)
2,939 users

Lightbird Requires Restart

Standalone calendar UI for Lightning

Rated 4 out of 5 stars (16)
2,936 users

BBCodeXtra Requires Restart

BBCodeXtra is an extension, compatible with Mozilla FireFox and Seamonkey, which adds to the context menu new commands to insert BBCode/Html/XHtml codes in an easy and fast way...

Rated 5 out of 5 stars (57)
2,808 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 (15)
2,715 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 4 out of 5 stars (21)
2,517 users

Disable Add-on Compatibility Checks (Version 40+)

Reinstates the extensions.checkCompatibility preference.

Rated 5 out of 5 stars (4)
2,438 users