DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
GitHub Flavored Markdown - GitHub uses "GitHub Flavored Markdown," or GFM, across the site--in issues, comments, and...
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
DocBook - DocBook is a schema (available in several languages including RELAX NG, SGML and XML DTDs, and W3C...
TiddlyWiki - a non-linear personal web notebook
pandoc - Pandoc is a Haskell library for converting from one markup format to another, and a command-line...