Organize Search Engines 1.7

https://firefox.maltekraus.de/extensions/organize-search-engines

Tab Mix Plus 0.3.8.6

http://tmp.garyr.net

Firebug 1.8.4

http://getfirebug.com

IDM CC 7.3.14

http://www.internetdownloadmanager.com

Redirector 2.6

http://www.einaregilsson.com/redirector

RightToClick 2.7.8

http://netticat.ath.cx/extensions.html