Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Stylem - A user style manager for Pale Moon, Basilisk, Interlink, SeaMonkey, and other Mozilla-based software. Install styles from userstyles.org to change how web pages and the application look.
Kiwix - Kiwix enables you to have the whole Wikipedia at hand wherever you go!
Wikiwand - A beautiful new interface to Wikipedia
Oppia - Oppia is a free, open-source learning platform.
FreeStylerWs - Styles and skins for all popular sites in the web