Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

Stylebot - Change the appearance of websites instantly. Preview and install styles created by other users on stylebot.me

Encyclopædia Britannica - Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.

Amino Editor - Amino is a Chrome browser extension for customizing web page presentation with user CSS.

Kiwix - Kiwix enables you to have the whole Wikipedia at hand wherever you go!

Stylus - User Styles Manager - Stylus is a userstyles editor and manager based on the source code of Stylish version 1.5.2.