JACL Adventure Creation Language
- JACL is an interpreted computer language for creating web-based adventure games. This site contains downloadable software, documentation and sample games.
- http://jacl.sourceforge.net/

ValerieMates
- Program for creating choose your own adventure games.
- http://www.valeriemates.com/interactive_story.html

Interactive Fiction Authoring with IFML
- XML based markup language and game playing engine for creating and playing text adventures. Uses a screenplay metaphor. Authors create scenes, dialogs, props, and characters.
- http://ifml.sourceforge.net

QML
- The Quest Markup Language is a free Choose-Your-Own-Adventure system. The XML-based games can have images, sound, states to check, and random events.
- http://questml.com/