Lulu - Whether you're a teacher, photographer or hobbyist, share your expertise. Create & self publish your book today!
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
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.
TiddlyWiki - a non-linear personal web notebook
Blurb - Create and self-publish books, magazines & ebooks
Confluence - Confluence is content collaboration software that changes how modern teams work