What are some alternatives?
Readymag - Readymag is a comprehensive solution that allows you to design web publication, magazines, presentations, websites, and all the other publications.
Confluence - Confluence is content collaboration software that changes how modern teams work
Zmags - Zmags provides solutions create and publish web experiences instantly.
Jama Connect - Collaborate with your team and share the data you care about in one place
SPIP - Système de Publication pour Internet
DokuWiki - dokuwiki [DokuWiki]