I second Mediawiki. I prefer that for professional use: https://www.mediawiki.org/wiki/MediaWiki https://www.mediawiki.org/wiki/MediaWiki Personally, I've bee

I second Mediawiki. I prefer that for professional use: https://www.mediawiki.org/wiki/MediaWiki https://www.mediawiki.org/wiki/MediaWiki Personally, I've been using WikkaWiki for years: https://github.com/bakoontz/WikkaWiki https://github.com/bakoontz/WikkaWiki I would prefer something that supports markdown. Neither of these really do.