TiddlyWiki - a non-linear personal web notebook

Miraheze - Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...

wikidPad - wikidPad is an application for storing thoughts, ideas, todo lists, contacts, or anything else that user can think of to write down.

Fandom - The entertainment site where fans come first.

Knowledge Workshop - Learning Management Solutions provides innovative and reliable software for the knowledge worker.

Wikiful - Wikiful is an online platform that makes it easy to build and share a wiki.