ZuluPad - ZuluPad is a notepad on crack.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Wiki on a Stick - Self-contained desktop wiki
Kiwix - Kiwix enables you to have the whole Wikipedia at hand wherever you go!
Fandom - The entertainment site where fans come first.
Oppia - Oppia is a free, open-source learning platform.