Twine - Twine is an open-source tool for telling interactive, nonlinear stories.

Ink by Inkle - ink is a popular open source scripting language for branching stories, designed for writers

Arcweave - Arcweave is the first browser based cloud professional tool for game and narrative design.

Dedalus - Dedalus is an authoring system for generating Choose Your Own Adventure (CYOA) narrative.

Dialogue Designer - An easy to use but powerful tool for creating branching dialogues for games.

ChoiceScript - ChoiceScript is a 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 programm…