Blender

This addon sets various preferences to fake to be the most common.

It fakes:

* the operating system to be Windows 7 64-bit
* Firefox to be version 19
* the language to be English
* the accepted charsets to be unspecified

Options

extensions.blender.force-headers tells blender to force the overriding of the Accept headers. false by default.

extensions.blender.fake-language tells blender to fake the language to english. true by default.

extensions.blender.disable-fonts tells blender to disable pages from using their own fonts. false by default.

Suggestions

The results of using this addon end up reducing a lot fingerprintability, but the sources of most information come from Java and Flash plugins, with those you can practically be 100% sure to recognize who you are by listing plugins, fonts and other stuff.