MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
Blurb - Create and self-publish books, magazines & ebooks
TiddlyWiki - a non-linear personal web notebook
CreateSpace - Publish your words, your way
Confluence - Confluence is content collaboration software that changes how modern teams work
IngramSpark - IngramSpark is an Online publishing services provider platform that allows you to publish or print books that are in high quality, and its global distribution service enables you to post and share around the globe.