BookStack, GitBook, Read The Docs, MkDocs, DokuWiki, Sphinx, Wiki.js, Docusaurus, ReadMe, Archivy, Booktype, SkyDocs, Presidium, nextra, Mintlify, VitePress, mdBook, Docpress, Reedsy, Sigil, Doclets.io, Writerside, Dropbox Paper, Daux.io, Docute, Slite, DocFX, Gollum wiki, Hyperbook, Leanpub, hexo-theme-doc, Editorially, Antora, Bookdown, Couscous, Wyam, simplewiki, Jigsaw (Tighten), Gendocs, saber (staticgen), DeveloperHub are some alternatives to Notaku.