Markdown by DaringFireball - Text-to-HTML conversion tool/syntax for web writers, by John Gruber
Textile - Textile is a lightweight markup language originally developed by Dean Allen and billed as a...
GitHub Flavored Markdown - GitHub uses "GitHub Flavored Markdown," or GFM, across the site--in issues, comments, and...
txt2tags - It reads a text file with minimal markup such as **bold** and //italic// and converts it to the...
Asciidoctor - In the spirit of free software, everyone is encouraged to help improve this project.
pandoc - Pandoc is a Haskell library for converting from one markup format to another, and a command-line...