MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
GitHub Flavored Markdown - GitHub uses "GitHub Flavored Markdown," or GFM, across the site--in issues, comments, and...
TiddlyWiki - a non-linear personal web notebook
DocBook - DocBook is a schema (available in several languages including RELAX NG, SGML and XML DTDs, and W3C...
Confluence - Confluence is content collaboration software that changes how modern teams work
pandoc - Pandoc is a Haskell library for converting from one markup format to another, and a command-line...