I don’t play interactive fiction but I was thinking about writing a tutorial-like website that could benefit from the

http://twinery.org/ – Nice HTML based IF builder.

http://inform7.com/ – Create Z-code IF games

https://code.google.com/p/parchment/ – Publish z-code IF games to the web

http://www.gimcrackd.com/etc/src/ – Build web-based IF