Hello, I may suggest also ZTAB (sourceforge.net/projects/ztab/). This is a free software.
Here are the functionnalities that he embeds :
* Build text adventure games and gamebooks
* Text, image and sound based aventure games.
* Simple graphical game edition (no script
* Design as you play : you play, and if you want to enhance, you add new text and conditions and you continue to play. Nothing simpliest !
* As you design, ZTAB points out your errors.
* Generate an HTML game and upload it to your website.
* Generate a book and print it.
* Confidentiality mode
* Handle Huge projects
* You can import and export Twine and Advelh, Renpy, etc... projects too.https://sites.google.com/site/ztabsoft/
projects and old versions here : http://sourceforge.net/projects/ztab/