WordPress, Confluence, BookStack, DokuWiki, TiddlyWiki, Nuclino, MediaWiki, Wiki.js, WackoWiki, Walling, BlueSpice for MediaWiki, Drupal, Banana Dance Wiki/CMS, MyInfo, ProProfs Knowledge Base, Pmwiki, Foswiki, Raneto, Instiki, UserPress, Gollum wiki, Fulcrum Wiki, YesWiki, ikiwiki, OneBar, Linchpin, KnowledgeOwl, Referata, Wikidocs, Hivemind, Brilliance File Organizer, Lessons Learned Server, Pepperminty Wiki, Acknow, Bookplay, FlatSiteBuilder are some alternatives to XWiki.