Plugins

Plugins help your browser perform specific functions like viewing special graphic formats or playing multimedia files. Plugins are slightly different from extensions, which modify or add to existing functionality

Adobe Reader:
For viewing and printing Adobe Portable Document Format (PDF)
Install Now

Adobe Flash Player:
Adobe Flash Player is the universal rich client for delivering effective Adobe Flash experiences across desktops and devices.
Install Now

Java:
The Java Runtime Environment enables your computer to run applications and applets that use Java technology.
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QuickTime Player:
QuickTime Player is an easy-to-use application for playing, interacting with or viewing video, audio, VR or graphics files.
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RealPlayer:
RealPlayer enables your computer to play streaming RealVideo and RealAudio.
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Shockwave Player:
Shockwave Player displays Web content that has been created by Adobe Director.
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Windows Media Player:
Windows Media Player lets you play streaming audio, video, animations, and multimedia presentations on the web.
Install Now


Source: https://addons.mozilla.org/en-US/firefox/browse/type:7