Functional-testing-reboot is a project mainly written in JAVASCRIPT and JAVA, it's free.
Materials for Agile Tour 2011 session on Specification by Example and Acceptance Test-Driven Development
Install pandoc (eg. sudo apt-get install pandoc on debian-based systems)
Run following command inside project's directory
pandoc -i -w slidy -s slides.md -o slides.html --offline --data-dir .