Inquisitor is an engine for browser and multiplatform Interactive Fiction works. It bares similarities to Twine while facilitating creation of worlds with locations and items.
ChoiceScript Alternatives
ChoiceScript is described as 'Simple programming language for writing multiple-choice games (MCGs) like Choice of the Dragon. Writing games with ChoiceScript is easy and fun, even for authors with no programming experience' and is an app in the news & books category. There are more than 25 alternatives to ChoiceScript for a variety of platforms, including Windows, Linux, Web-based, Mac and Self-Hosted apps. The best ChoiceScript alternative is Twine, which is both free and Open Source. Other great apps like ChoiceScript are Inky by Inkle, Ink by Inkle, QuestJS and Dedalus.