Credits

Showdown v2
- Estevão Santos
- Pascal Deschênes
Showdown v1
- Corey Innis:
  GitHub project maintainer
- Remy Sharp:
  CommonJS-compatibility and more
- Konstantin Käfer:
  CommonJS packaging
- Roger Braun:
  Github-style code blocks
- Dominic Tarr:
  Documentation
- Cat Chen:
  Export fix
- Titus Stone:
  Mocha tests, extension mechanism, and bug fixes
- Rob Sutherland:
  The idea that lead to extensions
- Pavel Lang:
  Code cleanup
- Ben Combee:
  Regex optimization
- Adam Backstrom:
  WebKit bugfix
- Pascal Deschênes:
  Grunt support, extension fixes + additions, packaging improvements, documentation
- Estevão Santos
  Bug fixing and later maintainer
Original Project
- John Gruber
  Author of Markdown
- John Fraser Author of Showdown