QuickNote(ほかにもあるけど。) http://quicknote.mozdev.org/
Stylish https://addons.mozilla.org/ja/firefox/addon/2108
Greasemonkey https://addons.mozilla.org/ja/firefox/addon/748
Stop-or-Reload Button https://addons.mozilla.org/en-US/firefox/addon/313?lang=ja
ChatZilla https://addons.mozilla.org/en-US/firefox/addon/16?lang=ja
Adblock Plus https://addons.mozilla.org/ja/firefox/addon/1865
sage https://addons.mozilla.org/ja/firefox/addon/77
keyconfig http://mozilla.dorando.at/readme.html
User Agent Switcher http://chrispederick.com/work/user-agent-switcher/
FullerScreen https://addons.mozilla.org/en-US/firefox/addon/4650
Tab Scope http://www.xuldev.org/tabscope/
FoxyTunes https://addons.mozilla.org/ja/firefox/addon/219
MinimizeToTray https://addons.mozilla.org/ja/firefox/addon/2110
https://addons.mozilla.org/ja/firefox/addon/1934
FoxTorrent http://www.foxtorrent.com/
FirebugとかWeb Developerとか。 http://www.infoaxia.com/tools/webdeveloper/ http://www.getfirebug.com/jp.html
Fire Vox http://www.firevox.clcworld.net/
CacheViewer https://addons.mozilla.org/en-US/firefox/addon/2489
Firefly(こじつけ) https://addons.mozilla.org/ja/firefox/addon/3076
Extended Statusbar https://addons.mozilla.org/ja/firefox/addon/1433 http://mozilla-remix.seesaa.net/article/64200077.html
Paste and Go 2 http://addons.mozilla.org/firefox/addon/3035
Secure Login https://blueimp.net/mozilla/Secure%20Login/
Firefoxit http://firefoxit.blogspot.com/
PageZoom http://pagezoom.sourceforge.net/
http://imsuden2.blogspot.com/2005/06/opera-theme-for-firefox_13.html
OpenSearchFox
http://norahmodel.exblog.jp/3653938/
Add to Search Bar
http://maltekraus.de/Firefox/search-tools/
https://addons.mozilla.org/ja/firefox/addon/1928
LCD Clock http://forums.mozillazine.org/viewtopic.php?t=396036
userContent.css *:not(embed):not(applet){max-width:100%;white-space:normal;}img,[type="image"]{height:auto !important;}